ACCUMULATED OTHER COMPREHENSIVE LOSS AND OTHER COMPREHENSIVE INCOME (LOSS) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Accumulated Other Comprehensive loss
Balance at the beginning of the period			$ (18,151)
Net current period change			(1,306)
Reclassification adjustment for losses included in net income			1,296
Balance at the end of the period	(18,161)		(18,161)
Pre-Tax Amount
Unrealized gain (loss) on derivatives	2,045	(885)	684	(1,019)
Change in pension liability adjustment	421	246	904	1,823
Change in foreign currency translation adjustment	(7,180)	1,222	(1,604)	7,713
Other comprehensive income (loss)	(4,714)	583	(16)	8,517
Tax Expense (benefit)
Unrealized gain (loss) on derivatives	763	(330)	255	(380)
Change in pension liability adjustment	157	92	337	680
Change in foreign currency adjustment	(2,678)	456	(598)	2,877
Other comprehensive income (loss), tax expense (benefit)	(1,758)	218	(6)	3,177
After-Tax Amount
Unrealized gain (loss) on derivatives	1,282	(555)	429	(639)
Change in pension liability adjustment	264	154	567	1,143
Change in foreign currency translation adjustment	(4,502)	766	(1,006)	4,836
Other comprehensive (loss) income	(2,956)	365	(10)	5,340
Derivative Cash Flow Hedges
Accumulated Other Comprehensive loss
Balance at the beginning of the period			(453)
Net current period change			(24)
Reclassification adjustment for losses included in net income			453
Balance at the end of the period	(24)		(24)
Accrued Pension Benefit Liability
Accumulated Other Comprehensive loss
Balance at the beginning of the period			(40,291)
Net current period change			(276)
Reclassification adjustment for losses included in net income			843
Balance at the end of the period	(39,724)		(39,724)
Foreign Currency Items
Accumulated Other Comprehensive loss
Balance at the beginning of the period			22,593
Net current period change			(1,006)
Balance at the end of the period	$ 21,587		$ 21,587