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Business Combinations (Details) - USD ($) $ in Thousands | Oct. 01, 2014 | Jan. 02, 2016 | Jan. 03, 2015 | Dec. 28, 2013
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Business Acquisition [Line Items] |  |  |  |
Purchase price allocation on goodwill |  | $ 277,650 | $ 279,310 | $ 286,655
Vermont Castings Group [Member] [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Cash paid for acquisition | $ 62,200 |  |  |
Purchase price allocation on intangible assets, other than goodwill | 24,900 |  |  |
Purchase price allocation on goodwill | $ 17,000 |  |  |
Vermont Castings Group [Member] [Member] | Minimum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life | 5 years |  |  |
Vermont Castings Group [Member] [Member] | Maximum [Member] |  |  |  |
Business Acquisition [Line Items] |  |  |  |
Useful life | 15 years |  |  |

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