Fair Value Measurements (Tables)

6 Months Ended

Jul. 01, 2017

Fair Value Disclosures [Abstract]

Schedule of Fair Value Assets and Liabilities Measured on Recurring Basis

The Company’s assets and liabilities measured at fair value on a recurring basis as of July 1, 2017 and December 31, 2016, aggregated by the level in the fair value hierarchy within which those measurements fall, were as follows (in thousands):

Description	Level 1		Level 2		Level 3		Total
Recurring fair value measurements:
Money market funds
Balance at July 1, 2017	$	48,200	$	—	$	—	$	48,200
Balance at December 31, 2016	$	31,600	$	—	$	—	$	31,600
Contingent consideration payable for business    acquisitions
Balance at July 1, 2017	$	—	$	—	$	2,375	$	2,375
Balance at December 31, 2016	$	—	$	—	$	9,775	$	9,775