INCOME TAXES (Additional Information) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Undistributed earnings of foreign subsidiaries	$ 212,700
Valuation allowance	30,916	$ 29,061
Valuation allowance, amount foreign tax credits	18,700	16,500
Valuation allowance, amount state net operating loss	4,100	3,900
Valuation allowance, amount foreign net operating loss	6,800	6,700
Valuation allowance, amount, deferred tax assets of Canadian subsidiary	1,300	2,000
Unrecognized tax benefits, interest	400
Unrecognized tax benefits, income tax penalties and interest expense	$ 100	$ 300	$ 300