Goodwill and Other Intangible Assets (Intangible Assets) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Intangible assets, gross carrying amount	$ 278,446	$ 275,011
Intangible assets, accumulated amortization	(87,637)	(79,480)
Weighted average amortization period (in years)	29 years
Future amortization expense [Abstract]
2012	7,807
2013	7,836
2014	7,211
2015	6,821
2016	6,719
2017	6,707
Trademarks and Tradenames [Member]
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Unamortized intangible assets, gross carrying amount	88,344	88,344
Customer Relationships [Member]
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Amortized intangible assets, gross carrying amount	135,690	133,965
Intangible assets, accumulated amortization	(50,083)	(45,112)
Weighted average amortization period (in years)	33 years
Patents and Other Intangible Assets [Member]
Schedule of Finite-Lived and Indefinite-Lived Assets [Line Items]
Amortized intangible assets, gross carrying amount	54,412	52,702
Intangible assets, accumulated amortization	$ (37,554)	$ (34,368)
Weighted average amortization period (in years)	14 years