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Other (Income) Expense, Net - Summary of Other (Income) Expense, Net (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Oct. 01, 2016 | Sep. 30, 2017 | Oct. 01, 2016
Other Income and Expenses [Abstract] |  |  |  |
Other expense | $ 34.4 | $ 15.5 | $ 47.2 | $ 34.7
Other income | (56.2) | (1.3) | (59.5) | (35.5)
Other (income) expense, net | $ (21.8) | $ 14.2 | $ (12.3) | $ (0.8)

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