Summary of Significant Accounting Policies (Calculation of Basic and Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 30, 2017	Sep. 23, 2017	Jun. 24, 2017	Mar. 30, 2019	Mar. 31, 2018	Mar. 25, 2017
Numerator:
Net income	$ 6,157	$ 29,933	$ 58,173	$ (4,272)	$ 12,004	$ 33,779	$ 73,300	$ 42,912	$ 89,991	$ 161,995	$ 261,209
Denominator:
Weighted average shares outstanding (in shares)									60,116	63,407	63,329
Effect of dilutive securities (in shares)									1,467	2,544	3,232
Weighted average diluted shares (in shares)									61,583	65,951	66,561
Basic earnings per share (in dollars per share)	$ 0.10	$ 0.50	$ 0.96	$ (0.07)	$ 0.19	$ 0.53	$ 1.16	$ 0.67	$ 1.50	$ 2.55	$ 4.12
Diluted earnings per share (in dollars per share)	$ 0.10	$ 0.49	$ 0.93	$ (0.07)	$ 0.19	$ 0.52	$ 1.10	$ 0.64	$ 1.46	$ 2.46	$ 3.92