Quarterly Results (Unaudited) (Schedule of Unaudited Quarterly Statement of Operations Data) (Details) - USD ($) $ / shares in Units, $ 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
Quarterly Results (Unaudited) [Abstract]
Net sales	$ 327,864	$ 523,029	$ 428,619	$ 259,428	$ 231,999	$ 347,863	$ 306,756	$ 282,633		$ 1,538,940	$ 1,169,251	$ 916,568
Gross profit	164,279	255,152	211,699	126,685	115,254	164,911	142,221	132,454		757,815	554,840	425,748
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