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Business Segment Information - Summary of Geographic Sales Information (Detail) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jul. 01, 2017	Jun. 30, 2018	Jul. 01, 2017
Disaggregation of Revenue [Line Items]
Total net sales	$ 596,219	$ 558,250	$ 1,126,889	$ 1,056,219
China [Member]
Disaggregation of Revenue [Line Items]
Total net sales	109,709	94,104	203,537	179,226
Japan [Member]
Disaggregation of Revenue [Line Items]
Total net sales	43,183	41,559	85,948	82,856
Asia Other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	84,013	80,040	147,700	148,727
Total Asia [Member]
Disaggregation of Revenue [Line Items]
Total net sales	236,905	215,703	437,185	410,809
United States [Member]
Disaggregation of Revenue [Line Items]
Total net sales	161,485	164,374	308,306	303,608
Americas Other [Member]
Disaggregation of Revenue [Line Items]
Total net sales	36,641	32,212	71,530	67,628
Total Americas [Member]
Disaggregation of Revenue [Line Items]
Total net sales	198,126	196,586	379,836	371,236
Europe [Member]
Disaggregation of Revenue [Line Items]
Total net sales	$ 161,188	$ 145,961	$ 309,868	$ 274,174

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
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-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
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-URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045

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