Shareholders' Equity - Additional Information (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 28, 2015	Sep. 30, 2016	Sep. 27, 2015
Stockholders' Equity Note [Abstract]
Common stock repurchased, shares	395,763	0	851,882
Common stock repurchased, value	$ 7,446
Shares are available for future issuances		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)		2,019	0