ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2015	Jun. 30, 2014
Changes in accumulated other comprehensive loss components
Balance			$ (32,682)
Other comprehensive income (loss) before reclassifications			(12,881)
Amounts reclassified from accumulated other comprehensive income (loss)			2,764
Total other comprehensive income (loss), net of tax	$ 1,500	$ 3,794	(10,117)	$ 39
Net current-period other comprehensive income (loss)	(1,382)	$ (64)	(2,764)	$ (128)
Balance	(42,799)		(42,799)
Foreign Currency Translation Adjustment
Changes in accumulated other comprehensive loss components
Balance			2,095
Other comprehensive income (loss) before reclassifications			(12,881)
Amounts reclassified from accumulated other comprehensive income (loss)			0
Total other comprehensive income (loss), net of tax			(12,881)
Balance	(10,786)		(10,786)
Pension and Other Post- Retirement Liability Adjustment
Changes in accumulated other comprehensive loss components
Balance			(34,777)
Other comprehensive income (loss) before reclassifications			0
Amounts reclassified from accumulated other comprehensive income (loss)			2,764
Balance	$ (32,013)		$ (32,013)