Business Acquisitions - Additional Information (Detail) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Apr. 01, 2017	Dec. 31, 2016
Business Combinations [Abstract]
Aggregate cash consideration for acquisition	$ 62,000	$ 123,000
Contingent consideration for acquisition	3,000	$ 8,000
Contingent consideration paid for business acquisition	6,000
Contingent consideration included as part of fair value of assets and liabilities as on acquisition date	$ 5,000