Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Finite-Lived Intangible Assets [Line Items]
Accumulated Amortization		$ (4,125)
Goodwill, Gross	90,919	91,722
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	18,742
Indefinite-lived trademarks, beginning of period	2,165
Gross intangibles assets excluding goodwill, beginning of period	20,907
Accumulated amortization, beginning of period	(4,125)
Additions to intangible assets	0
Amortization of Intangible Assets	(813)
Gross finite-lived intangible assets, end of period	18,742
Indefinite-lived trademarks, end of period	2,165
Gross intangibles assets excluding goodwill, end of period	20,907
Accumulated amortization, end of period	(4,938)
Goodwill, Impaired, Accumulated Impairment Loss	(29,713)	(29,713)
Goodwill, Acquired During Period	0
Goodwill, Translation and Purchase Accounting Adjustments	(803)
Trademarks [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	5,200
Accumulated amortization, beginning of period	(67)
Additions to intangible assets	0
Amortization of Intangible Assets	(187)
Gross finite-lived intangible assets, end of period	5,200
Accumulated amortization, end of period	(254)
Customer Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	11,960
Accumulated amortization, beginning of period	(3,593)
Additions to intangible assets	0
Amortization of Intangible Assets	(516)
Gross finite-lived intangible assets, end of period	11,960
Accumulated amortization, end of period	(4,109)
Noncompete Agreements [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	150
Accumulated amortization, beginning of period	(75)
Additions to intangible assets	0
Amortization of Intangible Assets	(15)
Gross finite-lived intangible assets, end of period	150
Accumulated amortization, end of period	(90)
Franchise Rights [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	972
Accumulated amortization, beginning of period	(206)
Additions to intangible assets	0
Amortization of Intangible Assets	(49)
Gross finite-lived intangible assets, end of period	972
Accumulated amortization, end of period	(255)
Developed Technology Rights [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period	460
Accumulated amortization, beginning of period	(184)
Additions to intangible assets	0
Amortization of Intangible Assets	(46)
Gross finite-lived intangible assets, end of period	460
Accumulated amortization, end of period	(230)
GETS [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	50,720	50,720
Finite-lived Intangible Assets [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	(15,171)	(15,171)
Goodwill, Acquired During Period	0
Goodwill, Translation and Purchase Accounting Adjustments	0
PSS [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	24,452	25,109
Finite-lived Intangible Assets [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	(8,312)	(8,312)
Goodwill, Acquired During Period	0
Goodwill, Translation and Purchase Accounting Adjustments	(657)
MRI [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	15,747	15,893
Finite-lived Intangible Assets [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	(6,230)	(6,230)
Goodwill, Acquired During Period	0
Goodwill, Translation and Purchase Accounting Adjustments	$ (146)