Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2
Shareholders' Deficit - Summary of Changes in Shareholders' Deficit (Parenthetical) (Detail) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Jun. 30, 2022
Jun. 30, 2021
Equity [Abstract]        
Issuance of common shares 0.1 0.2 1.1 1.5
Repurchases of common shares 1.1 1.9 4.1 15.3
Foreign currency translation adjustment, tax $ (0.4) $ 0.0 $ (0.4) $ 1.5
Unrealized gain/loss on derivatives, tax $ 0.0 $ 0.0 $ 0.0 $ 0.0