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Restructuring - Additional Information (Detail) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Oct. 01, 2016 | Sep. 30, 2017 | Oct. 01, 2016
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and settlement charges |  |  | $ 48.6 |
Restructuring charges (credits) |  |  | 47.8 |
Carrying values in excess of estimated fair values | $ 0.4 |  | 0.4 |
Expected restructuring cost | 36.0 |  | 36.0 |
Employee termination benefits |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges (credits) |  |  | 41.0 |
Asset impairment charges |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges (credits) |  |  | 0.4 | $ 3.5
Contract termination costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges (credits) |  |  | 1.5 |
Other related costs |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring charges (credits) |  |  | 4.9 |
Foreign | Pension |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Pension settlement loss | $ 0.0 | $ 0.0 | 0.8 | $ 0.0
Cost of sales |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and settlement charges |  |  | 39.5 |
Selling, general and administrative expenses |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and settlement charges |  |  | 10.2 |
Other income |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |
Restructuring and settlement charges |  |  | $ (1.1) |

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