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Other Income (Expense) - Net - Computation of Other Income (Expense) - Net (Detail) - USD ($) $ in Millions | 3 Months Ended
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Mar. 30, 2019 | Mar. 31, 2018
Other Income and Expenses [Abstract] |  |
Interest income | $ 0.4 | $ 0.1
Net foreign exchange loss | (1.5) | (2.1)
Net periodic pension and postretirement benefits – non-service | 2.2 | 0.6
Settlement of treasury lock | 0.0 | 13.3
Loss on early extinguishment of debt | 0.0 | (7.8)
Other | 0.4 | (1.3)
Total other income (expense) – net | $ 1.5 | $ 2.8

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