Net Income Per Share (Calculation of Basic and Diluted Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2020	Sep. 28, 2019	Sep. 26, 2020	Sep. 28, 2019
Numerator:
Net income	$ 59,486	$ 76,210	$ 77,695	$ 80,828
Denominator:
Weighted average shares outstanding (in shares)	58,191	58,011	58,252	58,276
Effect of dilutive securities (in shares)	1,936	2,202	1,951	1,984
Weighted average diluted shares (in shares)	60,127	60,213	60,203	60,260
Basic earnings per share (in dollars per share)	$ 1.02	$ 1.31	$ 1.33	$ 1.39
Diluted earnings per share (in dollars per share)	$ 0.99	$ 1.27	$ 1.29	$ 1.34