Income Taxes (Details 4) (USD $) In Millions, unless otherwise specified	12 Months Ended
Jun. 29, 2012	Jul. 01, 2011	Jul. 02, 2010
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance at beginning of the fiscal year	$ 48.4	$ 33.2	$ 23.1
Additions based on tax positions taken during the current year	2.7	3.2	6.1
Additions based on tax positions taken during prior years	10.4	18.4	7.6
Decreases based on tax positions taken during prior years	(11.7)	(3.1)	(0.2)
Decreases from settlements	(1.4)	(1.7)	0
Decreases from a lapse of statue of limitations	(0.1)	(1.6)	(3.4)
Balance at end of the fiscal year	$ 48.3	$ 48.4	$ 33.2

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The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns as of the balance sheet date.

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