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Changes in Carrying Values of Goodwill (Detail) $ in Thousands	3 Months Ended
	Apr. 02, 2016 USD ($)
Goodwill [Line Items]
Beginning balance	$ 159,331
Effect of exchange rate changes	4,583
Ending balance	163,914
Other
Goodwill [Line Items]
Beginning balance	17,293
Effect of exchange rate changes	1,813
Ending balance	19,106
North America
Goodwill [Line Items]
Beginning balance	133,408
Effect of exchange rate changes	2,503
Ending balance	135,911
United Kingdom Segment
Goodwill [Line Items]
Beginning balance	1,370
Effect of exchange rate changes	(51)
Ending balance	1,319
Continental Europe
Goodwill [Line Items]
Beginning balance	7,260
Effect of exchange rate changes	318
Ending balance	$ 7,578

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

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+ References

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- Definition

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+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
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-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
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-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

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