Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2014

Fair Value Measurements [Abstract]

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

	December 31, 2014								December 31, 2013
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	14,188	$	—	$	14,188	$	—	$	16,868	$	—	$	16,868	$	—
Interest rate swap agreement	—		—		—		—		1,269		—		1,269		—
Foreign currency forward contracts designated as cash flow hedges	567		—		567		—		268		—		268		—
Foreign currency forward contracts not designated as hedging instrument	1,611		—		1,611		—		719		—		719		—
Total	$	16,366	$	—	$	16,366	$	—	$	19,124	$	—	$	19,124	$	—
Liabilities:
Interest rate swap agreements	$	2,484	$	—	$	2,484	$	—	$	5,312	$	—	$	5,312	$	—
Foreign currency forward contracts designated as cash flow hedges	1,284		—		1,284		—		103		—		103		—
Foreign currency forward contracts not designated as hedging instrument	1,799		—		1,799		—		355		—		355		—
Total	$	5,567	$	—	$	5,567	$	—	$	5,770	$	—	$	5,770	$	—