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Summary of Significant Accounting Policies-Cash Flow Information (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016	Jan. 03, 2015
Cash paid during the year for:
Interest (net of amounts capitalized)	$ 4,052	$ 2,293	$ 469
Income taxes	31,230	36,194	19,863
Noncash investing and financing activities:
Unpaid purchases of property, plant and equipment	2,009	4,371	12,155
Proceeds from stock options exercised, unsettled at period end	165	0	0
Stock repurchased, unsettled at period end	$ 0	$ 4,815	$ 0

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
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