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. 27, 2021	Dec. 26, 2020	Sep. 26, 2020	Jun. 27, 2020	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 27, 2021	Mar. 28, 2020	Mar. 30, 2019
Quarterly Financial Data [Abstract]
Net sales	$ 293,537	$ 485,795	$ 347,325	$ 242,573	$ 279,291	$ 374,668	$ 388,912	$ 238,253	$ 1,369,230	$ 1,281,124	$ 1,185,524
Gross profit	148,119	251,500	180,210	127,472	146,235	197,505	207,933	122,494	707,301	674,167	597,497
Net income	$ 25,281	$ 114,368	$ 59,486	$ 18,209	$ 10,158	$ 68,512	$ 76,210	$ 4,618	$ 217,344	$ 159,498	$ 89,991
Basic income (loss) per share (in dollars per share)	$ 0.44	$ 1.97	$ 1.02	$ 0.31	$ 0.17	$ 1.18	$ 1.31	$ 0.08	$ 3.74	$ 2.74	$ 1.50
Diluted income (loss) per share (in dollars per share)	$ 0.42	$ 1.91	$ 0.99	$ 0.30	$ 0.17	$ 1.13	$ 1.27	$ 0.08	$ 3.62	$ 2.64	$ 1.46