Other Intangible Assets (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended
	Dec. 31, 2014	Jun. 30, 2015
Finite-Lived Intangible Assets [Line Items]
Impairment of Intangible Assets, Finite-lived	$ 1,200
Accumulated Amortization	(6,263)
Goodwill, Gross	96,251	$ 95,125
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period		16,522
Indefinite-lived trademarks, beginning of period		2,165
Gross intangibles assets excluding goodwill, beginning of period		18,687
Accumulated amortization, beginning of period		(6,263)
Additions to intangible assets		0
Amortization of Intangible Assets		(615)
Gross finite-lived intangible assets, end of period	16,522	16,522
Indefinite-lived trademarks, end of period	2,165	2,165
Gross intangibles assets excluding goodwill, end of period	18,687	18,687
Accumulated amortization, end of period	(6,263)	(6,878)
Goodwill, Impaired, Accumulated Impairment Loss	(45,621)	(44,385)
Goodwill, Acquired During Period		0
Goodwill, Translation and Purchase Accounting Adjustments		110
Trademarks [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period		5,100
Accumulated amortization, beginning of period		(680)
Additions to intangible assets		0
Amortization of Intangible Assets		(170)
Gross finite-lived intangible assets, end of period	5,100	5,100
Accumulated amortization, end of period	(680)	(850)
Customer Relationships [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period		10,300
Accumulated amortization, beginning of period		(5,047)
Additions to intangible assets		0
Amortization of Intangible Assets		(381)
Gross finite-lived intangible assets, end of period	10,300	10,300
Accumulated amortization, end of period	(5,047)	(5,428)
Noncompete Agreements [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period		150
Accumulated amortization, beginning of period		(135)
Additions to intangible assets		0
Amortization of Intangible Assets		(15)
Gross finite-lived intangible assets, end of period	150	150
Accumulated amortization, end of period	(135)	(150)
Franchise Rights [Member]
Finite-lived Intangible Assets [Roll Forward]
Gross finite-lived intangible assets, beginning of period		972
Accumulated amortization, beginning of period		(401)
Additions to intangible assets		0
Amortization of Intangible Assets		(49)
Gross finite-lived intangible assets, end of period	972	972
Accumulated amortization, end of period	(401)	(450)
GETS [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	35,713	35,713
Finite-lived Intangible Assets [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	(11,051)	(11,051)
Goodwill, Acquired During Period		0
Goodwill, Translation and Purchase Accounting Adjustments		0
PSS [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	44,298	43,096
Finite-lived Intangible Assets [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	(27,904)	(26,612)
Goodwill, Acquired During Period		0
Goodwill, Translation and Purchase Accounting Adjustments		90
MRI [Member]
Finite-Lived Intangible Assets [Line Items]
Goodwill, Gross	16,240	16,316
Finite-lived Intangible Assets [Roll Forward]
Goodwill, Impaired, Accumulated Impairment Loss	$ (6,666)	(6,722)
Goodwill, Acquired During Period		0
Goodwill, Translation and Purchase Accounting Adjustments		$ 20