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 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Beginning balance $ (1,362.3) $ (388.5) $ (856.1) $ (390.0)
Issuance of common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 1.1 0.8 2.0 1.6
Additional capital from share-based compensation 14.6 12.2 27.9 22.5
Repurchases of common shares (101.5) (21.3) (746.5) (26.0)
Net income 144.2 115.1 291.6 160.7
Foreign currency translation adjustment, net of income taxes 12.4 17.2 (11.3) (39.9)
Unrealized gain/loss on derivatives, net of income taxes 0.3 (0.3) 1.2 6.3
Ending balance (1,291.2) (264.8) (1,291.2) (264.8)
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 298.7 373.0 342.3 366.6
Issuance of common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 1.1 0.8 2.0 1.6
Additional capital from share-based compensation 14.6 12.2 27.9 22.5
Repurchases of common shares (8.3) (5.3) (66.1) (10.0)
Ending balance 306.1 380.7 306.1 380.7
Accumulated Other Comprehensive Loss [Member]        
Beginning balance (205.0) (263.0) (182.2) (212.5)
Foreign currency translation adjustment, net of income taxes 12.4 17.2 (11.3) (39.9)
Unrealized gain/loss on derivatives, net of income taxes 0.3 (0.3) 1.2 6.3
Ending balance (192.3) (246.1) (192.3) (246.1)
Accumulated Deficit [Member]        
Beginning balance (1,127.2) (169.7) (687.4) (215.3)
Repurchases of common shares (93.2) (16.0) (680.4) (16.0)
Net income 144.2 115.1 291.6 160.7
Ending balance $ (1,076.2) $ (70.6) $ (1,076.2) $ (70.6)