Fair Values of Financial Instruments (Tables)

6 Months Ended

Jun. 30, 2012

Fair Value Disclosures [Abstract]

Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]

The following table provides a summary of the company’s assets and liabilities that are measured on a recurring basis (in thousands).

				Basis for Fair Value Measurements at Reporting Date
				Quoted Prices in Active Markets for Identical Assets / (Liabilities)	Significant Other Observable Inputs			Significant Other Unobservable Inputs
	Total			Level I	Level II			Level III
June 30, 2012:
Forward Exchange Contracts—net	$	2,368		—	$	2,368		—
Interest Rate Swap Agreements—net	(466		)	—	(466		)	—
December 31, 2011:
Forward Exchange Contracts—net	$	1,180		—	$	1,180		—
Interest Rate Swap Agreements—net	(370		)	—	(370		)	—

Fair Value, by Balance Sheet Grouping [Table Text Block]

The carrying values and fair values of the company’s financial instruments are as follows (in thousands):

	June 30, 2012						December 31, 2011
	Carrying Value			Fair Value			Carrying Value			Fair Value
Cash and cash equivalents	$	25,495		$	25,495		$	34,924		$	34,924
Other investments	1,315			1,315			1,362			1,362
Installment receivables, net of reserves	3,593			3,593			7,477			7,477
Long-term debt (including current maturities of long-term debt)	(259,195		)	(258,604		)	(265,484		)	(264,112		)
Forward contracts in Other Current Assets	3,732			3,732			1,685			1,685
Forward contracts in Accrued Expenses	(1,364		)	(1,364		)	(505		)	(505		)
Interest Rate Swap Agreements in Other Current Assets	—			—			18			18
Interest Rate Swap Agreements in Accrued Expenses	(466		)	(466		)	(388		)	(388		)