Property, Plant and Equipment (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Property, Plant and Equipment [Line Items]
Depreciation expense	$ 23.8	$ 24.0
Minimum [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Useful life	15 years
Minimum [Member] | Machinery, Equipment and Office Furnishings [Member]
Property, Plant and Equipment [Line Items]
Useful life	2 years
Maximum [Member] | Building [Member]
Property, Plant and Equipment [Line Items]
Useful life	50 years
Maximum [Member] | Machinery, Equipment and Office Furnishings [Member]
Property, Plant and Equipment [Line Items]
Useful life	15 years