Share-based Compensation (Options) (Details) - Options - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 29, 2016	Mar. 31, 2015	Dec. 29, 2015
Shares
Outstanding at the beginning of the period (in shares)	328,498
Exercised (in shares)	(111,621)
Outstanding at the end of the period (in shares)	216,877		328,498
Exercisable at the end of period (in shares)	216,877
Stock options vested (in shares)	0		0
Weighted-Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 13.10
Exercised (in dollars per share)	11.91
Outstanding at the end of the period (in dollars per share)	13.71		$ 13.10
Exercisable at the end of the period (in dollars per share)	$ 13.71
Weighted-Average Remaining Contractual Term
Outstanding at the end of the period	1 year
Exercisable at the end of the period	1 year
Aggregate Intrinsic Value
Outstanding at the end of the period (in dollars)	$ 6,482
Exercisable at the end of the period (in dollars)	6,482
Intrinsic value of options exercised (in dollars)	3,300	$ 2,200
Cash received before tax withholdings from options exercised	1,300	1,600
Excess tax benefit realized from tax deductions associated with options exercised	$ 1,000	$ 700