Net Income Per Share (Calculation Of Basic And Diluted Earnings Per Share) (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 26, 2015	Sep. 27, 2014	Sep. 26, 2015	Sep. 27, 2014
Net Income Per Share [Abstract]
Net income	$ 34,880	$ 852	$ 68,234	$ 11,100
Basic weighted average common shares outstanding	63,346	62,241	63,310	62,137
Effect of dilutive securities	2,983	2,844	3,068	2,755
Diluted weighted average common shares outstanding	66,329	65,085	66,378	64,892
Basic earnings per share	$ 0.55	$ 0.01	$ 1.08	$ 0.18
Diluted earnings per share	$ 0.53	$ 0.01	$ 1.03	$ 0.17