Investment in Joint Venture (Gain From Affiliates) (Details) (USD $) In Millions, unless otherwise specified	0 Months Ended	3 Months Ended
	Jul. 04, 2010	Oct. 01, 2010
Fair value of 50% equity interest received	$ 480.0
Cash received	45.2
Receivable from joint venture	44.8
Total fair value of consideration received	570.0
Less book value of net assets contributed	(279.0)
Pre-tax gain on contribution to joint venture	291.0
Income tax expense	(58.8)
After-tax gain on contribution to joint venture	$ 232.2	$ 232.2
Apex
Ownership in limited liability company	50.00%