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Accrued Liabilities and Other - Components of Accrued Liabilities and Other (Detail) - USD ($)
$ in Millions
Dec. 31, 2019
Jan. 01, 2019
Dec. 31, 2018
Accrued Liabilities Current [Abstract]      
Employee-related liabilities $ 169.8   $ 177.8
Deferred revenue 18.9 $ 16.5 16.5
Restructuring liabilities 14.8   14.2
Other 130.7   138.9
Total accrued liabilities and other $ 334.2   $ 347.4