Net Income Per Common Share Net Income Per Common Share (Details 2) - 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
Earnings Per Share [Abstract]
Net income	$ 127,298	$ 171,516	$ 275,013	$ 345,127
Weighted Average Number of Shares Outstanding, Basic	257,640	265,942	257,744	267,098
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	1,920	3,155	2,423	3,653
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities and Warrants	6,486	6,703	7,903	8,033
Weighted Average Number of Shares Outstanding, Diluted	266,046	275,800	268,070	278,784
Earnings Per Share, Basic	$ 0.49	$ 0.64	$ 1.07	$ 1.29
Earnings Per Share, Diluted	$ 0.48	$ 0.62	$ 1.03	$ 1.24