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								6 Months Ended	12 Months Ended
	Mar. 25, 2017	Dec. 24, 2016	Sep. 24, 2016	Jun. 25, 2016	Mar. 26, 2016	Dec. 26, 2015	Sep. 26, 2015	Jun. 27, 2015	Sep. 24, 2016	Mar. 25, 2017	Mar. 26, 2016	Mar. 28, 2015
Numerator:
Net income	$ 35,058	$ 122,041	$ 86,039	$ 18,071	$ 14,012	$ 41,384	$ 34,880	$ 33,354	$ 104,110	$ 261,209	$ 123,630	$ 55,178
Denominator:
Basic weighted average common shares outstanding										63,329	63,197	62,503
Effect of dilutive securities										3,232	2,796	2,732
Weighted average diluted shares			66,410	65,723					66,101	66,561	65,993	65,235
Basic earnings per share	$ 0.55	$ 1.91	$ 1.37	$ 0.29	$ 0.22	$ 0.65	$ 0.55	$ 0.53	$ 1.66	$ 4.12	$ 1.96	$ 0.88
Diluted earnings per share	$ 0.52	$ 1.83	$ 1.30	$ 0.27	$ 0.21	$ 0.63	$ 0.53	$ 0.50	$ 1.58	$ 3.92	$ 1.87	$ 0.85