Fair Value of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2016

Fair Value Disclosures [Abstract]

Schedule of Fair Value of Financial Instruments

	Fair value measurements as of December 31, 2016								Fair value measurements as of January 2, 2016
(In thousands)	Total		Level 1		Level 2		Level 3		Total			Level 1		Level 2			Level 3
Short-term marketable securities	$	10,308	$	10,230	$	78	$	—	$	17,968		$	17,888	$	80		$	—
Foreign currency forward exchange contracts, net	184		—		184		—		(12		)	—		(12		)	—
Total fair value of financial instruments	$	10,492	$	10,230	$	262	$	—	$	17,956		$	17,888	$	68		$	—