Income Taxes (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 27, 2014	Dec. 28, 2013	Dec. 27, 2014	Dec. 28, 2013
Income Taxes [Abstract]
Unrecognized tax benefits	$ 49.1		$ 49.1
Liability recorded for interest and penalities related to unrecognized tax benefits	37.9		37.9
Effective income tax rate	33.12%	35.37%	35.10%	36.23%
Net increase (reduction) in income tax expense related to disqualifying dispositions	(2.2)	(2.1)		(3.7)
Net increase (reduction) in income tax expense related to federal and state uncertain tax positions		$ (4.3)		$ (3.5)