Income Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011
Income Taxes (Textual) [Abstract]
Tax provisions	$ 12,045,000	$ 2,924,000	$ 51,765,000	$ 48,989,000
Gross unrecognized tax benefits, decrease	7,300,000
Gross unrecognized tax benefits balance	57,500,000		57,500,000
Unrecognized tax benefits that would impact effective tax rate	25,800,000		25,800,000
Effective tax rate	10.00%	2.00%	13.00%	11.00%
Net Discrete Benefit Relating Primarily To Lapses Of Statutes Of Limitation	$ 5,300,000	$ 15,300,000
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	35.00%
Document Period End Date			Dec. 29, 2012