Goodwill and Other Intangible Assets (Narrative) (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Oct. 02, 2011	Sep. 30, 2012	Oct. 02, 2011
Amortization of Intangible Assets
Amortization of intangible assets	$ 5,100,000	$ 9,300,000	$ 13,833,000	$ 23,514,000
Estimated amortization of intangible assets, remainder of 2012			5,000,000
Estimated amortization of intangible assets, 2013			15,000,000
Estimated amortization of intangible assets, 2014			8,000,000
Estimated amortization of intangible assets, 2015			5,000,000
Estimated amortization of intangible assets, 2016			5,000,000
Estimated amortization of intangible assets, 2017			5,000,000
Estimated amortization of intangible assets, after 2017			$ 4,000,000