Net Income Per Share (Calculation Of Basic And Diluted Earnings Per Share) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Sep. 27, 2014	Sep. 28, 2013	Sep. 27, 2014	Sep. 28, 2013
Net Income Per Share [Abstract]
Net income	$ 852	$ 33,367	$ 11,100	$ 54,009
Basic weighted average common shares outstanding	62,241	63,217	62,137	63,329
Effect of dilutive securities	2,844	2,908	2,755	2,874
Diluted weighted average common shares outstanding	65,085	66,125	64,892	66,203
Basic earnings per share	$ 0.01	$ 0.53	$ 0.18	$ 0.85
Diluted earnings per share	$ 0.01	$ 0.50	$ 0.17	$ 0.82