Property, Plant and Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 29, 2012	Jul. 01, 2011	Jun. 29, 2012	Jul. 01, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 23.9	$ 24.6	$ 47.7	$ 48.6
Building [Member]
Property, Plant and Equipment [Line Items]
Useful life, minimum			15
Useful life, maximum			50
Machinery, Equipment and Office Furnishings [Member]
Property, Plant and Equipment [Line Items]
Useful life, minimum			2
Useful life, maximum			15