Net Income Per Common Share (Details)	3 Months Ended								12 Months Ended
	Mar. 31, 2012	Dec. 31, 2011	Oct. 01, 2011	Jul. 02, 2011	Apr. 02, 2011	Jan. 01, 2011	Oct. 02, 2010	Jul. 03, 2010	Mar. 31, 2012	Apr. 02, 2011	Apr. 03, 2010
Net Income Per Common Share (Textual) [Abstract]
Potentially dilutive common equivalent shares outstanding									4,500,000	3,600,000	941,000
Incremental common shares attributable to conversion of debt securities									3,900,000	346,000	0
Shares excluded from computation of earnings per share									30,600,000	32,700,000	44,000,000
Diluted	276,166,000	267,884,000	267,927,000	276,077,000	272,161,000	263,612,000	263,286,000	275,541,000	272,157,000	268,061,000	276,953,000