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Changes in Carrying Values of Goodwill (Detail) $ in Thousands | 6 Months Ended
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Jul. 02, 2016 USD ($)
Goodwill [Line Items] |
Beginning balance | $ 159,331
Goodwill acquired during the period | 2,945
Effect of exchange rate changes | 6,206
Ending balance | 168,482
Other |
Goodwill [Line Items] |
Beginning balance | 17,293
Effect of exchange rate changes | 3,427
Ending balance | 20,720
North America |
Goodwill [Line Items] |
Beginning balance | 133,408
Goodwill acquired during the period | 2,945
Effect of exchange rate changes | 2,820
Ending balance | 139,173
United Kingdom Segment |
Goodwill [Line Items] |
Beginning balance | 1,370
Effect of exchange rate changes | (139)
Ending balance | 1,231
Continental Europe |
Goodwill [Line Items] |
Beginning balance | 7,260
Effect of exchange rate changes | 98
Ending balance | $ 7,358

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