PROPERTY, PLANT AND EQUIPMENT, NET - Summary of Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, plant and equipment
Total property, plant and equipment	$ 568,655	$ 568,655	$ 528,312
Less: accumulated depreciation	(330,942)	(330,942)	(297,164)
Less: impairment	(5,421)	(5,421)	(613)
Net property, plant and equipment	232,292	232,292	230,535
Depreciation expense		51,800	47,000	$ 45,500
Long-lived asset impairments	5,400	5,400
Land, buildings and improvements
Property, plant and equipment
Total property, plant and equipment	72,119	72,119	70,487
Machinery and equipment
Property, plant and equipment
Total property, plant and equipment	172,261	172,261	150,809
Leasehold improvements
Property, plant and equipment
Total property, plant and equipment	144,667	144,667	139,448
Furniture and fixtures
Property, plant and equipment
Total property, plant and equipment	108,998	108,998	106,722
Software
Property, plant and equipment
Total property, plant and equipment	64,264	64,264	54,506
Construction in progress
Property, plant and equipment
Total property, plant and equipment	$ 6,346	$ 6,346	$ 6,340