Net Income Per Common Share (Details)	3 Months Ended		6 Months Ended
	Sep. 29, 2012	Oct. 01, 2011	Sep. 29, 2012	Oct. 01, 2011
Net Income Per Common Share (Textual) [Abstract]
Potentially dilutive common equivalent shares outstanding	4,100,000	3,900,000	4,300,000	4,600,000
3.125% Junior Convertible Debentures [Member]
Net Income Per Common Share (Textual) [Abstract]
Potentially dilutive common equivalent shares outstanding	5,500,000	0	5,800,000	3,500,000
Shares excluded from computation of earnings per share	24,600,000		26,200,000