Equity (Details Textuals) (USD $) In Millions, except Per Share data	3 Months Ended
	Jul. 02, 2011	Jul. 03, 2010	May 24, 2011	Feb. 08, 2011
Common Stock Activity (Textuals) [Abstract]
Treasury stock repurchase program increase			$ 500
Remaining availability under common stock repurchase program	670
Repurchases of common stock	324.5	247.0
Increases in quarterly cash dividend on common stock				from $0.10 per share to $0.20 per share
Dividends per share declared	$ 0.20	$ 0.10
Dividend Paid	18.9	9.8
Common Stock Repurchase Program [Member]
Common Stock Activity (Textuals) [Abstract]
Repurchases of common stock	301.7	231.0
Repurchases of common stock, shares	2.5	2.7
Common Stock Repurchase Program [Member] | Secondary Stock Offering [Member]
Common Stock Activity (Textuals) [Abstract]
Repurchases of common stock		81.0
Repurchases of common stock, shares		1.0
Secondary Stock Offering [Member]
Common Stock Activity (Textuals) [Abstract]
Class A common stock shares sold under secondary public offering		10
Withholding in satisfaction of taxes on vested equity award [Member]
Common Stock Activity (Textuals) [Abstract]
Repurchases of common stock	$ 22.8	$ 16.0
Repurchases of common stock, shares	0.1	0.2