Goodwill and Intangible Assets - Narrative (Details) (USD $)
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12 Months Ended | 3 Months Ended | |||
---|---|---|---|---|---|
Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Sep. 30, 2014
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Sep. 30, 2013
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Finite-Lived Intangible Assets [Line Items] | |||||
Accumulated impairment loss | $ 8,300,000 | ||||
Aggregate amortization expense | 14,900,000 | 14,200,000 | 7,500,000 | ||
Intangible asset impairment charges | 1,102,000 | 8,089,000 | 0 | ||
Ostial Solutions, LLC | |||||
Finite-Lived Intangible Assets [Line Items] | |||||
Intangible asset impairment charges | 1,100,000 | 8,100,000 | |||
Contingent consideration benefit | $ 874,000 | $ 3,800,000 |