Summary of Significant Accounting Policies (Schedule of ASU 2016-09 Early Adoption Impact) (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
Provision (benefit) for income taxes			$ 16,634	$ 3,598					$ 20,232	$ 53,838	$ 52,359	$ 36,371
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
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
Diluted weighted average common shares outstanding			66,410	65,723					66,101	66,561	65,993	65,235
Net Cash Provided by (Used in) Operating Activities, Continuing Operations			$ 24,091	$ 12,756					$ 36,847	$ 369,751	$ 149,046	$ 163,477
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			(17,960)	(13,670)					(31,630)	$ (117,513)	$ (76,897)	$ 205,475
As Reported [Member]
Provision (benefit) for income taxes			24,608	5,805					30,413
Net income			$ 78,065	$ 15,864					$ 93,929
Basic earnings per share			$ 1.24	$ 0.25					$ 1.50
Diluted earnings per share			$ 1.19	$ 0.24					$ 1.43
Diluted weighted average common shares outstanding			65,717	65,232					65,521
Net Cash Provided by (Used in) Operating Activities, Continuing Operations			$ 19,990	$ 12,226					$ 32,216
Net Cash Provided by (Used in) Financing Activities, Continuing Operations			$ (13,859)	$ (13,140)					$ (26,999)