Shareholders' Equity - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 28, 2015	Jun. 30, 2016	Jun. 28, 2015
Stockholders' Equity Note [Abstract]
Common stock repurchased, shares	0	626,882	0	164,852
Common stock repurchased, value				$ 2,893
Shares are available for future issuances	17,554		17,554
Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures			0	5,200
Antidilutive securities excluded from computation of earnings per share (shares)			11,600	0