Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Deficit - Summary of Changes in Accumulated Other Comprehensive Loss (Detail)

v3.21.2
Shareholders' Deficit - Summary of Changes in Accumulated Other Comprehensive Loss (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance $ (1,291.2) $ (264.8) $ (856.1) $ (390.0)
Other comprehensive (loss) income before reclassifications, net of tax (13.6) (20.1) (25.1) (14.7)
Amounts reclassified from accumulated other comprehensive loss to income, net of tax 1.1 3.7 2.5 2.5
Total other comprehensive income (loss) (12.5) 16.4 (22.6) (17.2)
Ending balance (1,333.4) (912.9) (1,333.4) (912.9)
Foreign Currency Translation Adjustments [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (189.7) (251.5) (178.4) (211.6)
Other comprehensive (loss) income before reclassifications, net of tax 14.5 (19.5) (25.8) (20.4)
Amounts reclassified from accumulated other comprehensive loss to income, net of tax 0.0 0.0 0.0 0.0
Total other comprehensive income (loss) (14.5) 19.5 (25.8) (20.4)
Ending balance (204.2) (232.0) (204.2) (232.0)
Unrealized (Loss) Gain on Derivatives [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (2.6) (5.4) (3.8) (0.9)
Other comprehensive (loss) income before reclassifications, net of tax (0.9) 0.6 (0.7) 5.7
Amounts reclassified from accumulated other comprehensive loss to income, net of tax 1.1 3.7 2.5 2.5
Total other comprehensive income (loss) 2.0 (3.1) 3.2 3.2
Ending balance (0.6) 2.3 (0.6) 2.3
Accumulated Other Comprehensive Loss [Member]        
Accumulated Other Comprehensive Income (Loss) [Line Items]        
Beginning balance (192.3) (246.1) (182.2) (212.5)
Ending balance $ (204.8) $ (229.7) $ (204.8) $ (229.7)