Summary of Significant Accounting Policies (Calculation of Basic and Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Mar. 28, 2015	Dec. 27, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 28, 2013	Sep. 28, 2013	Jun. 29, 2013	Mar. 28, 2015	Mar. 29, 2014	Mar. 30, 2013
Numerator:
Net income	$ 21,349	$ 22,729	$ 852	$ 10,248	$ 12,602	$ 41,500	$ 33,367	$ 20,642	$ 55,178	$ 108,111	$ 136,598
Denominator:
Basic weighted average common shares outstanding									62,503	62,926	64,580
Effect of dilutive securities									2,732	2,609	3,874
Weighted average diluted shares									65,235	65,535	68,454
Basic earnings per share	$ 0.34	$ 0.36	$ 0.01	$ 0.17	$ 0.20	$ 0.66	$ 0.53	$ 0.33	$ 0.88	$ 1.72	$ 2.12
Diluted earnings per share	$ 0.32	$ 0.35	$ 0.01	$ 0.16	$ 0.20	$ 0.63	$ 0.50	$ 0.31	$ 0.85	$ 1.65	$ 2.00