Quarterly report pursuant to Section 13 or 15(d)

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

v3.19.2
Shareholders' Deficit - Summary of Changes in Shareholders' Deficit (Detail) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Jun. 30, 2019
Jun. 30, 2018
Beginning balance $ (629.1) $ (219.0) $ (723.4) $ (334.7)
Issuance of 0.2, 1.2, 0.6 and 3.9 common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 0.9 0.7 1.5 1.2
Additional capital from share-based compensation 9.9 10.4 20.5 20.2
Repurchases of 0.1, 12.0, 0.2 and 13.1 common shares (1.4) (631.5) (9.0) (681.4)
Reclassification from temporary equity 11.3      
Issuance of convertible senior notes       136.5
Repurchase of convertible senior notes       (123.0)
Unwind of capped call transactions   11.9   55.9
Net income 76.5 94.4 172.8 176.5
Foreign currency translation adjustment, net of income taxes of (1.5), (3.1), (1.0) and (2.0) (1.8) (50.8) 5.3 (29.6)
Unrealized loss on derivatives, net of income taxes of $—, $—, $— and $— (0.5) 4.5 (1.9) 1.4
Cumulative effect of accounting change       (2.4)
Ending balance (534.2) (779.4) (534.2) (779.4)
Common Shares [Member]        
Beginning balance 0.1 0.1 0.1 0.1
Ending balance 0.1 0.1 0.1 0.1
Treasury Stock [Member]        
Beginning balance (328.9) (328.9) (328.9) (328.6)
Repurchases of 0.1, 12.0, 0.2 and 13.1 common shares       (0.3)
Ending balance (328.9) (328.9) (328.9) (328.9)
Paid-in Capital in Excess of par Value [Member]        
Beginning balance 333.8 425.4 341.5 407.3
Issuance of 0.2, 1.2, 0.6 and 3.9 common shares from exercise of stock options, SARs, restricted stock units, employee stock purchase plan, and other 0.9 0.7 1.5 1.2
Additional capital from share-based compensation 9.9 10.4 20.5 20.2
Repurchases of 0.1, 12.0, 0.2 and 13.1 common shares (1.4) (59.0) (9.0) (108.7)
Reclassification from temporary equity 11.3      
Issuance of convertible senior notes       136.5
Repurchase of convertible senior notes       (123.0)
Unwind of capped call transactions   11.9   55.9
Ending balance 354.5 389.4 354.5 389.4
Accumulated Other Comprehensive Loss [Member]        
Beginning balance (204.1) (147.3) (209.8) (165.4)
Foreign currency translation adjustment, net of income taxes of (1.5), (3.1), (1.0) and (2.0) (1.8) (50.8) 5.3 (29.6)
Unrealized loss on derivatives, net of income taxes of $—, $—, $— and $— (0.5) 4.5 (1.9) 1.4
Ending balance (206.4) (193.6) (206.4) (193.6)
Accumulated Deficit [Member]        
Beginning balance (430.0) (168.3) (526.3) (248.1)
Repurchases of 0.1, 12.0, 0.2 and 13.1 common shares   (572.5)   (572.4)
Net income 76.5 94.4 172.8 176.5
Cumulative effect of accounting change       (2.4)
Ending balance $ (353.5) $ (646.4) $ (353.5) $ (646.4)