Quarterly Results (Unaudited) (Schedule of Unaudited Quarterly Statement of Operations Data) (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Financial Data [Abstract]
Net sales	$ 303,173	$ 482,741	$ 425,537	$ 320,735	$ 327,864	$ 523,029	$ 428,619	$ 259,428	$ 1,532,186	$ 1,538,940	$ 1,169,251
Gross profit	152,630	235,088	211,282	161,716	164,279	255,152	211,699	126,685	760,716	757,815	554,840
Net income	$ 12,004	$ 33,779	$ 73,300	$ 42,912	$ 35,058	$ 122,041	$ 86,039	$ 18,071	$ 161,995	$ 261,209	$ 123,630
Basic income 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 income 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