Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 29, 2012	Dec. 31, 2011	Dec. 29, 2012	Dec. 31, 2011
Income Taxes [Abstract]
Unrecognized tax benefits	$ 63.1		$ 63.1
Liability recorded for interest related to unrecognized tax benefits	35.7		35.7
Effective income tax rate	37.14%	37.81%	36.71%	37.31%
Net increase (reduction) in income tax expense related to disqualifying dispositions	(1.7)		(2.5)
Net increase (reduction) in income tax expense related to tax contingencies			(2.1)
Net increase (reduction) in income tax expense related to federal and state uncertain tax positions	$ 1.6