Acquisitions and Divestitures - Schedule of Unaudited Pro Forma Income From Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014
Business Combinations [Abstract]
Income from operations as reported	$ 127,859	$ 98,144	$ 85,967
Pro forma adjustments (unaudited)	27,263	39,178
Income from operations pro forma (unaudited)	$ 155,122	$ 137,322

Amount after tax of pro forma income from continuing operations as if the business combination had been completed at the beginning of a period.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(2)-(3)
-URI http://asc.fasb.org/extlink&oid=65885119&loc=d3e1392-128463

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration