Fair Value Measurement (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Measurement

Schedule of financial assets and liabilities measured at fair value on a recurring basis and basis of measurement

	Fair Value at December 31, 2014						Fair Value at December 31, 2013
	Level 1		Level 2		Level 3		Level 1		Level 2		Level 3
Assets:
Other assets, net
Interest rate swap		—	$	551		—		—	$	824		—
Liabilities:
Accrued expenses
Contingent acquisition consideration		—		—	$	64		—		—	$	1,374
Other long term liabilities
Contingent acquisition consideration		—		—	$	208		—		—	$	163

Schedule of reconciliation of the beginning and ending balances for liabilities measured at fair value using significant unobservable inputs (level 3)

	Due to Seller
Balance at December 31, 2011	$	(6,498	)
Increase related to new acquisitions		—
Payment of contingent consideration		2,202
Change in fair value		972
Balance at December 31, 2012		(3,324	)
Increase related to new acquisitions		—
Payment of contingent consideration		896
Change in fair value		891
Balance at December 31, 2013		(1,537	)
Increase related to new acquisitions		(45	)
Payment of contingent consideration		1,812
Change in fair value		(502	)
Balance at December 31, 2014	$	(272	)

Schedule of carrying and estimated fair values of the Company's financial instruments

	2014						2013
	Carrying Amount			Fair Value			Carrying Amount			Fair Value
Cash and cash equivalents	$	18,196		$	18,196		$	23,158		$	23,158
Long-term debt—
Senior Credit Facility, net of discount		(251,010	)		(251,010	)		(286,672	)		(286,672	)
Other obligations	$	(2,390	)	$	(2,390	)	$	(1,994	)	$	(1,994	)