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Other (Income) Expense, Net - Summary of Other (Income) Expense, Net (Detail) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2018 | Jul. 01, 2017 | Jun. 30, 2018 | Jul. 01, 2017
Other Income and Expenses [Abstract] |  |  |  |
Other expense | $ 6.5 | $ 7.5 | $ 10.8 | $ 13.7
Other income | (2.8) | (1.7) | (12.7) | (4.2)
Other (income) expense, net | $ 3.7 | $ 5.8 | $ (1.9) | $ 9.5

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