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Accrued Liabilities and Other - Components of Accrued Liabilities and Other (Detail) - USD ($)
$ in Millions
Dec. 31, 2018
Jan. 01, 2018
Dec. 31, 2017
Accrued Liabilities Current [Abstract]      
Employee-related liabilities $ 177.8   $ 173.0
Deferred revenue 16.5 $ 30.3 112.4
Restructuring liabilities 9.1   10.7
Other 144.0   151.4
Total accrued liabilities and other $ 347.4   $ 447.5