Net Income Per Common Share Net Income Per Common Share (Details 2) (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
Earnings Per Share [Abstract]
Net income	$ 171,516	$ 141,461	$ 345,127	$ 298,484
Weighted Average Number of Shares Outstanding, Basic	265,942	268,478	267,098	265,350
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements	3,155	4,919	3,653	4,715
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities and Warrants	6,703	8,702	8,033	6,790
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities	0	8,586	0	7,415
Weighted Average Number of Shares Outstanding, Diluted	275,800	290,685	278,784	284,270
Earnings Per Share, Basic	$ 0.64	$ 0.53	$ 1.29	$ 1.12
Earnings Per Share, Diluted	$ 0.62	$ 0.49	$ 1.24	$ 1.05