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. 31, 2018	Dec. 30, 2017	Sep. 23, 2017	Jun. 24, 2017	Mar. 25, 2017	Dec. 24, 2016	Sep. 24, 2016	Jun. 25, 2016	Mar. 31, 2018	Mar. 25, 2017	Mar. 26, 2016
Numerator:
Net income	$ 12,004	$ 33,779	$ 73,300	$ 42,912	$ 35,058	$ 122,041	$ 86,039	$ 18,071	$ 161,995	$ 261,209	$ 123,630
Denominator:
Weighted average shares outstanding (in shares)									63,407	63,329	63,197
Effect of dilutive securities (in shares)									2,544	3,232	2,796
Weighted average diluted shares (in shares)									65,951	66,561	65,993
Basic earnings per share (in dollars per share)	$ 0.19	$ 0.53	$ 1.16	$ 0.67	$ 0.55	$ 1.91	$ 1.37	$ 0.29	$ 2.55	$ 4.12	$ 1.96
Diluted earnings per share (in dollars per share)	$ 0.19	$ 0.52	$ 1.10	$ 0.64	$ 0.52	$ 1.83	$ 1.30	$ 0.27	$ 2.46	$ 3.92	$ 1.87