Goodwill and Other Intangible Assets (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 30, 2012	Apr. 01, 2011
Amortization of intangible assets	$ 2.7	$ 3.3
Estimated amortization expense - 2012	10.1
Estimated amortization expense - 2013	9.0
Estimated amortization expense - 2014	8.2
Estimated amortization expense - 2015	7.3
Estimated amortization expense - 2016	6.3
Estimated amortization expense, thereafter	$ 3.7
Minimum [Member] | Customer Relationships [Member]
Finite lived intangible assets useful life	3 years 6 months
Maximum [Member] | Customer Relationships [Member]
Finite lived intangible assets useful life	10 years