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								12 Months Ended
	Mar. 28, 2020	Dec. 28, 2019	Sep. 28, 2019	Jun. 29, 2019	Mar. 30, 2019	Dec. 29, 2018	Sep. 29, 2018	Jun. 30, 2018	Mar. 28, 2020	Mar. 30, 2019	Mar. 31, 2018
Numerator:
Net income	$ 10,158	$ 68,512	$ 76,210	$ 4,618	$ 6,157	$ 29,933	$ 58,173	$ (4,272)	$ 159,498	$ 89,991	$ 161,995
Denominator:
Weighted average shares outstanding (in shares)									58,317	60,116	63,407
Effect of dilutive securities (in shares)									2,145	1,467	2,544
Weighted average diluted shares (in shares)									60,462	61,583	65,951
Basic earnings per share (in dollars per share)	$ 0.17	$ 1.18	$ 1.31	$ 0.08	$ 0.10	$ 0.50	$ 0.96	$ (0.07)	$ 2.74	$ 1.50	$ 2.55
Diluted earnings per share (in dollars per share)	$ 0.17	$ 1.13	$ 1.27	$ 0.08	$ 0.10	$ 0.49	$ 0.93	$ (0.07)	$ 2.64	$ 1.46	$ 2.46