Herbalife Ltd. Quarterly report pursuant to Section 13 or 15(d)

Quarterly report pursuant to Section 13 or 15(d)

Long-Term Debt - Additional Information (Detail)

Long-Term Debt - Additional Information (Detail)								1 Months Ended					3 Months Ended				6 Months Ended		9 Months Ended
Long-Term Debt - Additional Information (Detail)	Mar. 19, 2025	Sep. 15, 2023	Jul. 30, 2021 USD ($)	Feb. 10, 2021	Mar. 19, 2020 USD ($)	Dec. 12, 2019 USD ($)	Aug. 16, 2018 USD ($)	Jul. 30, 2021 USD ($)	May 31, 2021 USD ($)	May 31, 2020 USD ($)	Aug. 31, 2018 USD ($)	Mar. 31, 2018 USD ($) $ / shares	Jun. 30, 2022 USD ($) $ / shares	Sep. 30, 2021 USD ($)	Jun. 30, 2021 USD ($)	Mar. 31, 2020 USD ($)	Jun. 30, 2022 USD ($) Days $ / shares	Jun. 30, 2021 USD ($)	Sep. 30, 2021	Mar. 31, 2022 USD ($)	Jan. 01, 2022 USD ($)	Dec. 31, 2021 USD ($)	Jun. 30, 2020 USD ($)	Sep. 30, 2018 USD ($)
Debt Instrument [Line Items]
Outstanding principal amount													$ 2,831,300,000				$ 2,831,300,000
Loss on extinguishment of debt																	0	$ 24,600,000
Long-Term Debt													2,810,200,000				2,810,200,000					$ 2,762,600,000
Retained Earnings (Accumulated Deficit)													(1,029,300,000)				(1,029,300,000)				$ 77,600,000	(1,169,000,000.0)
Borrowings under the senior secured credit facility													1,074,900,000				1,074,900,000					1,088,600,000
Interest expense													33,200,000		$ 37,800,000		64,600,000	76,700,000
Paid-in-capital in excess of par value													185,800,000				185,800,000					318,100,000
Long-term debt													2,810,200,000				2,810,200,000					2,762,600,000
Letters of credit issued but undrawn													26,100,000				26,100,000
2.625% Convertible Senior Notes Due 2024 [Member]
Debt Instrument [Line Items]
Outstanding principal amount												$ 550,000,000.0	550,000,000.0				550,000,000.0					550,000,000.0
Deferred financing costs												12,900,000
Aggregate principal amount of convertible senior notes issued												550,000,000.0
Long-Term Debt												$ 410,100,000									59,100,000
Additional Paid in Capital																					136,700,000
Interest expense													4,100,000		9,900,000		8,300,000	19,600,000
Non-cash interest expense													0		5,900,000		0	11,600,000
Amortization of deferred financing costs													$ 600,000		400,000		$ 1,100,000	800,000
Convertible notes, interest rate												2.625%	2.625%				2.625%
Convertible notes maturity												Mar. 15, 2024					May 15, 2024
Principal amount of convertible notes												$ 1,000					$ 1,000
Convertible notes conversion rate												16.0056					160,467.0000
Convertible notes conversion price \| $ / shares												$ 62.48	$ 62.32				$ 62.32
Paid-in-capital in excess of par value												$ 139,900,000
Long-term debt												$ 410,100,000									$ 59,100,000
Effective interest rate on convertible notes												8.40%
Fair value of liability to convertible notes																						547,400,000
Convertible notes, conversion feature																	Holders of the 2024 Convertible Notes may convert their notes at their option under the following circumstances: (i) during any calendar quarter commencing after the calendar quarter ending June 30, 2018, if the last reported sale price of the Company’s common shares for at least 20 trading days (whether or not consecutive) in a period of 30 consecutive trading days ending on, and including, the last trading day of the immediately preceding calendar quarter exceeds 130% of the conversion price for the 2024 Convertible Notes on each applicable trading day; (ii) during the five business-day period immediately after any five consecutive trading day period, or the measurement period, in which the trading price per $1,000 principal amount of 2024 Convertible Notes for each trading day of that measurement period was less than 98% of the product of the last reported sale price of the Company’s common shares and the conversion rate for the 2024 Convertible Notes for each such day; (iii) if the Company calls the 2024 Convertible Notes for redemption; or (iv) upon the occurrence of specified corporate events. On and after December 15, 2023, holders may convert their 2024 Convertible Notes at any time, regardless of the foregoing circumstances. In December 2021, the Company made an irrevocable election under the indenture governing the 2024 Convertible Notes to require the principal portion of the 2024 Convertible Notes to be settled in cash and any excess in shares or cash.
Convertible notes, number of trading days of threshold limit (whether or not consecutive) \| Days																	20
Convertible notes, number of trading days of threshold limit in consecutive days \| Days																	30
Minimum percentage of common share price over conversion price for conversion												130.00%
Minimum percentage of the product of common share price and conversion rate for convertible notes												98.00%
Deferred financing costs recorded as additional paid-in-capital in excess of par value												$ 3,300,000
Unamortized debt discount and debt issuance costs													$ 3,900,000				$ 3,900,000					64,000,000.0
Convertible senior notes, carrying value of liability component													546,100,000				546,100,000					486,000,000.0
Fair value of notes													490,500,000				490,500,000
2.625% Convertible Senior Notes Due 2024 [Member] \| Debt Issuance Costs [Member]
Debt Instrument [Line Items]
Deferred financing costs												$ 9,600,000
7.875% Senior Notes Due 2025 [Member]
Debt Instrument [Line Items]
Outstanding principal amount													600,000,000.0				600,000,000.0					600,000,000.0
Deferred financing costs													5,100,000				5,100,000					5,800,000	$ 7,900,000
Aggregate principal amount of convertible senior notes issued										$ 600,000,000.0
Interest expense													12,100,000		12,200,000		24,300,000	24,300,000
Amortization of deferred financing costs													$ 400,000		300,000		$ 700,000	600,000
Convertible notes, interest rate										7.875%			7.875%				7.875%
Convertible notes maturity										Sep. 01, 2025							Jan. 09, 2025
Senior notes, redemption price, percentage										100.00%
Senior notes, redemption price percentage with equity offerings										107.875%
Carrying amount													$ 594,900,000				$ 594,900,000					594,200,000
Fair value of notes													545,000,000.0				545,000,000.0					639,700,000
7.875% Senior Notes Due 2025 [Member] \| Debt Issuance Costs [Member]
Debt Instrument [Line Items]
Deferred financing costs																							$ 7,900,000
7.875% Senior Notes Due 2025 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Percentage of aggregate principal amount of senior notes being redeemed										40.00%
7.250% Senior Notes Due 2026 [Member]
Debt Instrument [Line Items]
Deferred financing costs																								$ 5,400,000
Aggregate principal amount of convertible senior notes issued											$ 400,000,000.0
Proceed to redeem senior notes									$ 400,000,000.0
Credit facility, amount borrowed									428,500,000
Loss on extinguishment of debt															(24,600,000)
Interest expense															4,100,000			11,500,000
Amortization of deferred financing costs															100,000			200,000
Convertible notes, interest rate											7.25%
Convertible notes maturity											Aug. 15, 2026
Accrued interest									7,700,000
7.250% Senior Notes Due 2026 [Member] \| Debt Issuance Costs [Member]
Debt Instrument [Line Items]
Deferred financing costs																								$ 5,400,000
4.875% Senior Notes Due 2029 [Member]
Debt Instrument [Line Items]
Outstanding principal amount													600,000,000.0				600,000,000.0					600,000,000.0
Deferred financing costs													6,800,000		7,700,000		6,800,000	7,700,000				7,200,000
Aggregate principal amount of convertible senior notes issued									$ 600,000,000.0
Interest expense													7,500,000		3,400,000		15,000,000.0	3,400,000
Amortization of deferred financing costs													$ 200,000		100,000		$ 400,000	100,000
Convertible notes, interest rate									4.875%				4.875%				4.875%
Convertible notes maturity									Jun. 01, 2029								Jan. 06, 2029
Senior notes, redemption price, percentage									100.00%
Senior notes, redemption price percentage with equity offerings									104.875%
Carrying amount													$ 593,200,000				$ 593,200,000					592,800,000
Fair value of notes													415,400,000				415,400,000					588,900,000
4.875% Senior Notes Due 2029 [Member] \| Debt Issuance Costs [Member]
Debt Instrument [Line Items]
Deferred financing costs															7,700,000			7,700,000
4.875% Senior Notes Due 2029 [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Percentage of aggregate principal amount of senior notes being redeemed									40.00%
Eurodollar [Member]
Debt Instrument [Line Items]
Base rate interest rate floor							0.00%
2018 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility, amount repaid																	159,000,000.0	195,000,000.0
Borrowings under the senior secured credit facility													$ 150,000,000.0				150,000,000.0					$ 150,000,000.0
2018 Term Loan A [Member] \| 2018 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			0.03%
2017 Credit Facility [Member] \| 2017 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Repayment of prior senior secured credit facility							$ 1,178,100,000
2018 Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount							1,250,000,000
Commitment Fee Percentage								0.35%
Deferred financing costs						$ 1,200,000	11,700,000													$ 1,100,000
Credit facility, amount borrowed																	159,000,000.0	345,000,000.0
Credit facility, amount repaid																	$ 173,500,000	205,400,000
Long-term debt, weighted average interest rate													2.87%				2.87%					2.62%
Borrowings under the senior secured credit facility													$ 1,080,200,000				$ 1,080,200,000					$ 1,094,600,000
Interest expense													9,400,000		7,900,000		16,900,000	17,200,000
Non-cash interest expense													100,000		100,000		200,000	200,000
Amortization of deferred financing costs													500,000		$ 400,000		1,000,000.0	$ 900,000
2018 Credit Facility [Member] \| 2024 Convertible Notes Exceeds 350 Million [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Outstanding principal amount					$ 350,000,000.0		$ 350,000,000.0
2018 Credit Facility [Member] \| Second Amendment [Member]
Debt Instrument [Line Items]
Debt Modification Costs			$ 1,400,000		1,600,000			$ 1,400,000
Deferred financing costs					$ 1,100,000								800,000				800,000
Credit facility amendment date					Mar. 19, 2020
Recognized in interest expense, net														$ 600,000		$ 500,000
2018 Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Base rate interest rate floor							1.00%
2018 Credit Facility [Member] \| Federal Funds Rate [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate							0.50%
2018 Credit Facility [Member] \| LIBOR [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate							1.00%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount							$ 250,000,000.0
Borrowings under the senior secured credit facility													150,000,000.0				150,000,000.0					150,000,000.0
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.25%				0.25%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage			0.35%				0.35%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Second Amendment [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount					$ 250,000,000.0
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Second Amendment [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount																				282,500,000
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Fourth Amendment Member \| Minimum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount			$ 282,500,000					282,500,000
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Fourth Amendment Member \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount													330,000,000.0				$ 330,000,000.0
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Eurodollar [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			1.75%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Eurodollar [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			2.25%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Eurodollar [Member] \| Second Amendment [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate																		2.50%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Base Rate [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			0.75%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Base Rate [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			1.25%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Base Rate [Member] \| Second Amendment [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate																			1.50%
2018 Credit Facility [Member] \| 2018 Revolving Credit Facility [Member] \| Base Rate [Member] \| Second Amendment [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate																	1.25%
2018 Credit Facility [Member] \| 2018 Term Loan A [Member]
Debt Instrument [Line Items]
Outstanding principal amount							$ 250,000,000.0
Borrowings under the senior secured credit facility													268,300,000				$ 268,300,000					279,000,000.0
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Level 2 [Member]
Debt Instrument [Line Items]
Outstanding principal amount													267,500,000				267,500,000					278,100,000
Debt instrument, fair value													257,400,000				257,400,000					278,000,000.0
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| 2024 Convertible Notes Exceeds 350 Million [Member]
Debt Instrument [Line Items]
Credit facility, maturity date		Sep. 15, 2023
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Second Amendment [Member]
Debt Instrument [Line Items]
Extended maturity date	Mar. 19, 2025
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Second Amendment [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount					$ 234,400,000
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Second Amendment [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount																				$ 264,800,000
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Fourth Amendment Member \| Minimum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount			$ 245,000,000.0					$ 245,000,000.0
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Fourth Amendment Member \| Maximum [Member]
Debt Instrument [Line Items]
Credit facility, maximum amount													286,200,000				$ 286,200,000
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Eurodollar [Member] \| Second Amendment [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate							1.75%
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Eurodollar [Member] \| Second Amendment [Member] \| Maximum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate																	2.25%
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| Base Rate [Member] \| Second Amendment [Member] \| Minimum [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate							0.75%
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| 2018 Revolving Credit Facility [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			2.50%		3.00%
2018 Credit Facility [Member] \| 2018 Term Loan A [Member] \| 2018 Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate			1.50%		2.00%
2018 Credit Facility [Member] \| 2018 Term Loan B [Member]
Debt Instrument [Line Items]
Outstanding principal amount							$ 750,000,000.0
Credit facility, maturity date							Aug. 18, 2025
Senior secured credit facility, discount percentage							0.25%
Senior secured credit facility, discount amount							$ 1,900,000
Borrowings under the senior secured credit facility													661,900,000				$ 661,900,000					665,600,000
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| Level 2 [Member]
Debt Instrument [Line Items]
Outstanding principal amount													657,400,000				657,400,000					660,500,000
Debt instrument, fair value													$ 635,000,000.0				$ 635,000,000.0					$ 663,100,000
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| 2024 Convertible Notes Exceeds 350 Million [Member]
Debt Instrument [Line Items]
Credit facility, maturity date							Dec. 15, 2023
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate				2.75%		2.75%	3.25%
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| Eurodollar [Member] \| Third Amendment [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate																		2.50%
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate				1.75%		1.75%	2.25%
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| Base Rate [Member] \| Third Amendment [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate																			1.50%
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| 2018 Revolving Credit Facility [Member] \| Eurodollar [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate							2.50%
2018 Credit Facility [Member] \| 2018 Term Loan B [Member] \| 2018 Revolving Credit Facility [Member] \| Base Rate [Member]
Debt Instrument [Line Items]
Interest rate spread on variable rate							1.50%
Senior Unsecured Notes [Member]
Debt Instrument [Line Items]
Aggregate principal amount of convertible senior notes issued							$ 400,000,000.0