Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.1
Shareholders' Deficit - Summary of Changes in Shareholders' Deficit (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Beginning balance $ (390.0) $ (723.4)
Issuance of 0.4 common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 0.8 0.6
Additional capital from share-based compensation 10.3 10.6
Repurchases of 0.1 common shares (4.7) (7.6)
Reclassification to temporary equity   (11.3)
Net income 45.6 96.3
Foreign currency translation adjustment, net of income taxes of $(2.5) and $0.5 (57.1) 7.1
Unrealized loss on derivatives, net of income taxes 6.6 (1.4)
Ending balance (388.5) (629.1)
Common Shares [Member]    
Beginning balance 0.1 0.1
Ending balance 0.1 0.1
Treasury Stock [Member]    
Beginning balance (328.9) (328.9)
Ending balance (328.9) (328.9)
Paid-in Capital in Excess of par Value [Member]    
Beginning balance 366.6 341.5
Issuance of 0.4 common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 0.8 0.6
Additional capital from share-based compensation 10.3 10.6
Repurchases of 0.1 common shares (4.7) (7.6)
Reclassification to temporary equity   (11.3)
Ending balance 373.0 333.8
Accumulated Other Comprehensive Loss [Member]    
Beginning balance (212.5) (209.8)
Foreign currency translation adjustment, net of income taxes of $(2.5) and $0.5 (57.1) 7.1
Unrealized loss on derivatives, net of income taxes 6.6 (1.4)
Ending balance (263.0) (204.1)
Accumulated Deficit [Member]    
Beginning balance (215.3) (526.3)
Net income 45.6 96.3
Ending balance $ (169.7) $ (430.0)