INCOME TAXES (Narrative) (Details) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Income Tax Disclosure [Line Items]
Excess tax deficiencies associated with restricted stock award releases and non-qualified stock option exercises	$ 500,000	$ 500,000	$ 100,000
Undistributed earnings of the Company's foreign subsidiaries	54,000,000	44,800,000
Unrecognized tax benefits that would affect effective tax rate, if recognized	6,900,000	7,700,000
Recognized interest and penalties	200,000	500,000	300,000
Valuation allowance additions	2,692,000	6,322,000	2,416,000
Valuation allowance deductions	4,276,000	3,796,000	0
Deferred Tax Assets, Tax Credit Carryforwards	33,200,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	4,000,000	3,700,000
Federal
Income Tax Disclosure [Line Items]
Income tax net operating loss carryforwards	2,900,000
Domestic
Income Tax Disclosure [Line Items]
Capital loss carryforwards	42,600,000
Foreign
Income Tax Disclosure [Line Items]
Unrecognized tax benefits	400,000
Income tax net operating loss carryforwards, foreign	28,100,000
State and Local
Income Tax Disclosure [Line Items]
Unrecognized tax benefits	$ 100,000