Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Net Summary of Goodwill (Detail)

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Goodwill and Other Intangible Assets - Net Summary of Goodwill (Detail)
$ in Millions
6 Months Ended
Jun. 30, 2022
USD ($)
Goodwill [Line Items]  
Beginning Balance $ 1,248.8 [1]
Foreign currency translation adjustments 2.5
Ending Balance 1,251.3 [1]
U.S. Operating Segment  
Goodwill [Line Items]  
Beginning Balance 1,182.9 [1]
Foreign currency translation adjustments 0.0
Ending Balance 1,182.9 [1]
International  
Goodwill [Line Items]  
Beginning Balance 65.9 [1]
Foreign currency translation adjustments 2.5
Ending Balance $ 68.4 [1]
[1] Balances are presented net of accumulated impairment losses of $214.0 for the U.S. operating segment and $43.8 for the international operating segment. See discussion of the qualitative impairment analysis performed by the Company as of June 30, 2022 at Note 12.