Quarterly report pursuant to Section 13 or 15(d)

Shareholders' Deficit - Summary of Changes in Shareholders' Deficit (Detail)

v3.21.2
Shareholders' Deficit - Summary of Changes in Shareholders' Deficit (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Beginning balance $ (1,291.2) $ (264.8) $ (856.1) $ (390.0)
Issuance of common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 1.2 1.1 3.2 2.7
Additional capital from share-based compensation 14.4 15.4 42.3 37.9
Repurchases of common shares (162.7) (819.1) (909.2) (845.1)
Net income 117.4 138.1 409.0 298.8
Foreign currency translation adjustment, net of income taxes (14.5) 19.5 (25.8) (20.4)
Unrealized gain/loss on derivatives, net of income taxes 2.0 (3.1) 3.2 3.2
Ending balance (1,333.4) (912.9) (1,333.4) (912.9)
Common Shares [Member]        
Beginning balance 0.1 0.1 0.1 0.1
Issuance of common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 0.0 0.0 0.0 0.0
Ending balance 0.1 0.1 0.1 0.1
Treasury Stock [Member]        
Beginning balance (328.9) (328.9) (328.9) (328.9)
Ending balance (328.9) (328.9) (328.9) (328.9)
Paid-in Capital in Excess of par Value [Member]        
Beginning balance 306.1 380.7 342.3 366.6
Issuance of common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 1.2 1.1 3.2 2.7
Additional capital from share-based compensation 14.4 15.4 42.3 37.9
Repurchases of common shares (9.6) (61.4) (75.7) (71.4)
Ending balance 312.1 335.8 312.1 335.8
Accumulated Other Comprehensive Loss [Member]        
Beginning balance (192.3) (246.1) (182.2) (212.5)
Foreign currency translation adjustment, net of income taxes (14.5) 19.5 (25.8) (20.4)
Unrealized gain/loss on derivatives, net of income taxes 2.0 (3.1) 3.2 3.2
Ending balance (204.8) (229.7) (204.8) (229.7)
Accumulated Deficit [Member]        
Beginning balance (1,076.2) (70.6) (687.4) (215.3)
Repurchases of common shares (153.1) (757.7) (833.5) (773.7)
Net income 117.4 138.1 409.0 298.8
Ending balance $ (1,111.9) $ (690.2) $ (1,111.9) $ (690.2)