Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.2.2
Shareholders' Deficit - Summary of Changes in Shareholders' Deficit (Parenthetical) (Detail) - USD ($)
shares in Millions, $ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Equity [Abstract]        
Issuance of common shares 0.1 0.1 1.1 1.6
Repurchases of common shares 0.0 3.5 4.1 18.8
Foreign currency translation adjustment, tax $ 0.6 $ (0.6) $ 0.2 $ 0.9
Unrealized (loss) gain on derivatives, tax $ 0.0 $ 0.0 $ 0.0 $ 0.0