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Fair Value Measurements (Details) (USD $)
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9 Months Ended | 9 Months Ended | 12 Months Ended | ||||||||||||
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Sep. 30, 2014
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Dec. 31, 2013
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Sep. 30, 2014
Short Term Obligations [Member]
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Sep. 30, 2014
Long Term Earn Out Obligations [Member]
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Jun. 30, 2014
WBI Acquisition [Member]
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Jun. 30, 2013
WBI Acquisition [Member]
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Jun. 30, 2012
WBI Acquisition [Member]
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Sep. 30, 2014
Fair Value, Inputs, Level 1 [Member]
Other Assets [Member]
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Dec. 31, 2013
Fair Value, Inputs, Level 1 [Member]
Other Assets [Member]
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Sep. 30, 2014
Fair Value, Inputs, Level 2 [Member]
Accrued Expenses [Member]
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Dec. 31, 2013
Fair Value, Inputs, Level 2 [Member]
Accrued Expenses [Member]
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Sep. 30, 2014
Fair Value, Inputs, Level 3 [Member]
Current Portion of Earn Out Obligations [Member]
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Dec. 31, 2013
Fair Value, Inputs, Level 3 [Member]
Current Portion of Earn Out Obligations [Member]
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Sep. 30, 2014
Fair Value, Inputs, Level 3 [Member]
Earn-out Obligations [Member]
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Dec. 31, 2013
Fair Value, Inputs, Level 3 [Member]
Earn-out Obligations [Member]
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| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |||||||||||||||
| Non-COLI assets held in DSC plan | $ 238,000 | $ 198,000 | |||||||||||||
| Interest rate swaps | 0 | 326,000 | |||||||||||||
| Earn-out obligations - current | 9,154,000 | 0 | 9,154,000 | 0 | |||||||||||
| Earn-out obligations, less current portion | 0 | 9,062,000 | 0 | 9,062,000 | |||||||||||
| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] | |||||||||||||||
| Balance as of December 31, 2013 | 9,062,000 | 0 | 9,062,000 | ||||||||||||
| Maximum potential cash payment | 40,000,000 | ||||||||||||||
| Earn-out payments | (2,666,000) | 0 | (2,666,000) | 2,700,000 | 219,000 | 7,100,000 | |||||||||
| Fair value adjustment included in earnings | 2,758,000 | 0 | 2,758,000 | ||||||||||||
| Fair Value Inputs, Discount Rate | 8.50% | ||||||||||||||
| Reclassification from long-term to short-term | 0 | 9,154,000 | (9,154,000) | ||||||||||||
| Balance as of September 30, 2014 | $ 9,154,000 | $ 9,154,000 | $ 0 | ||||||||||||