Other Intangibles (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	$ 149,404,000	$ 151,345,000
Finite-Lived Intangible Assets, Accumulated Amortization	86,820,000	79,693,000
Trademarks [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Accumulated Amortization	0	0
Indefinite-lived Intangible Assets	31,944,000	31,280,000
Customer Lists [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	92,637,000	93,572,000
Finite-Lived Intangible Assets, Accumulated Amortization	65,158,000	58,447,000
Licensing Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	1,393,000	3,212,000
Finite-Lived Intangible Assets, Accumulated Amortization	1,393,000	3,212,000
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	9,916,000	9,650,000
Finite-Lived Intangible Assets, Accumulated Amortization	6,390,000	5,588,000
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	6,107,000	6,060,000
Finite-Lived Intangible Assets, Accumulated Amortization	5,568,000	5,234,000
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Intangible Assets, Gross	7,407,000	7,571,000
Finite-Lived Intangible Assets, Accumulated Amortization	8,311,000	7,212,000
Developed Technology Rights [Member] | IPG [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	223,000	398,000
Patents [Member] | NA/HME [Member]
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived		$ 96,000