Fair Value Measurements (Tables)

12 Months Ended

Dec. 31, 2013

Fair Value Measurements [Abstract]

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

	December 31, 2013								December 31, 2012
	Total		Level 1		Level 2		Level 3		Total		Level 1		Level 2		Level 3
Assets:
Cash equivalents	$	16,868	$	—	$	16,868	$	—	$	13,636	$	—	$	13,636	$	—
Interest rate swap agreement	1,269		—		1,269		—		—		—		—		—
Foreign currency forward contracts designated as cash flow hedges	268		—		268		—		—		—		—		—
Foreign currency forward contracts not designated as hedging instrument	719		—		719		—		448		—		448		—
Total	$	19,124	$	—	$	19,124	$	—	$	14,084	$	—	$	14,084	$	—
Liabilities:
Interest rate swap agreements	$	5,312	$	—	$	5,312	$	—	$	8,172	$	—	$	8,172	$	—
Foreign currency forward contracts designated as cash flow hedge	103		—		103		—		421		—		421		—
Foreign currency forward contracts not designated as hedging instrument	355		—		355		—		280		—		280		—
Total	$	5,770	$	—	$	5,770	$	—	$	8,873	$	—	$	8,873	$	—