Fair Value Measurements (Tables)

3 Months Ended

Mar. 31, 2014

Fair Value Disclosures [Abstract]

Schedule of Assets and Liabilities Measured at Fair Value on Recurring Basis

The contingent consideration obligations measured at fair value on a recurring basis follow (in thousands):

	As of March 31, 2014
	Fair Value Measurements Using							Total
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	(Level 1)		(Level 2)		(Level 3)
Contingent consideration	$	—	$	—	$	(7,860	)	$	(7,860	)
	As of December 31, 2013
	Fair Value Measurements Using							Total
	Quoted Prices in Active Markets for Identical Assets		Significant Other Observable Inputs		Significant Unobservable Inputs
	(Level 1)		(Level 2)		(Level 3)
Contingent consideration	$	—	$	—	$	(8,527	)	$	(8,527	)

Schedule of Reconciliations of Liabilities Measured and Carried at Fair Value on Recurring Basis, with Significant Unobservable Inputs

Reconciliations of liabilities measured and carried at fair value on a recurring basis with the use of significant unobservable inputs (Level 3) are as follows (in thousands):

	Three Months Ended
	March 31,
	2014			2013
Contingent consideration
Balance at beginning of period	$	(8,527	)	$	(7,577	)
Payments on contingent consideration	691			—
Fair value adjustment	—			830
Foreign currency translation adjustment	(24		)	203
Balance at end of period	$	(7,860	)	$	(6,544	)