PROPERTY, PLANT AND EQUIPMENT (Details) - USD ($) $ in Thousands	1 Months Ended		9 Months Ended
	Apr. 30, 2015	Apr. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Property, plant and equipment
Subtotal			$ 409,982		$ 435,900
Less: accumulated depreciation			(167,307)		(170,160)
Total property, plant and equipment, net			242,675		265,740
Carrying value at the time of disposition	$ 38,300
Proceeds from sale of property, plant and equipment			181	$ 14,361
Athlone, Ireland manufacturing facility
Property, plant and equipment
Carrying value at the time of disposition		$ 2,200
Proceeds from sale of property, plant and equipment		17,500
Proceeds from sale of property, plant and equipment which remain in escrow account		$ 3,000
Land
Property, plant and equipment
Subtotal			5,866		8,163
Buildings and improvements
Property, plant and equipment
Subtotal			133,304		149,158
Furniture, fixtures and equipment
Property, plant and equipment
Subtotal			194,523		225,834
Leasehold improvements
Property, plant and equipment
Subtotal			16,018		12,971
Construction in progress
Property, plant and equipment
Subtotal			$ 60,271		$ 39,774