INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Operating loss carryforwards
Income taxes paid, net of refunds received	$ 18,600,000	$ 18,300,000	$ 26,700,000
Undistributed Earnings of Foreign Subsidiaries, Gross	139,700,000
Undistributed Earnings of Foreign Subsidiaries, Not To Be Reinvested	64,600,000
Undistributed Earnings of Foreign Subsidiaries	75,100,000
Unrecognized tax benefits, which would reduce the effective tax rate if recognized	4,900,000	4,600,000
Reconciliation of statutory federal income tax rate to the effective income tax rate
Federal statutory tax rate	35.00%	35.00%	35.00%
Increase (decrease) in the tax rate resulting from:
State taxes, net of federal effect	3.50%	3.70%	3.30%
Effect of tax rates of other countries	(0.40%)	0.20%	(0.50%)
Section 199 deduction	(1.20%)	(1.70%)	(1.50%)
Change in Contingency Reserve	0.70%	2.00%	(1.80%)
Limitation on deduction of Officer’s compensation	1.50%	2.60%	1.70%
Other	(0.60%)	(1.40%)	0.90%
Effective tax rate	38.50%	40.40%	37.10%
Activity related to unrecognized tax benefits
Balance, beginning of the year	4,611,000	4,039,000	4,930,000
Additions for tax position related to the current year	125,000	691,000	125,000
Additions for tax position related to the prior year	350,000	0	191,000
Decreases for tax position related to the prior year	0	0	(1,207,000)
Prior year reductions
Lapse of statute of limitations	(164,000)	(119,000)	0
Change in exchange rate	0	0	0
Balance, end of the year	4,922,000	4,611,000	4,039,000
Unrecognized Tax Benefits, Prior Period Adjustment	4,300,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	200,000	200,000	200,000
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued	500,000	400,000
Foreign
Operating loss carryforwards
Net operating loss carryforwards	$ 32,400,000