INCOME TAXES (Details 2) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Operating loss carryforwards
Income taxes paid, net of refunds received	$ 18,300,000	$ 26,700,000		$ 13,500,000
Foreign earnings that are expected to be reinvested indefinitely	120,100,000
Unrecognized tax benefits, which would reduce the effective tax rate if recognized	800,000	1,200,000
Reduction in accrual for interest and penalties		600,000
Interest and penalties, net of deferred taxes		100,000	100,000
Accrued payment of interest and penalties	100,000
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	3.70%	3.20%	3.00%
Effect of tax rates of other countries	0.20%	(0.50%)	(2.20%)
Section 199 deduction	1.70%	1.50%	1.70%
Change in Contingency Reserve	0.00%	(1.90%)	0.00%
Limitation on Deduction of Officer’s Compensation	4.20%	1.00%	1.90%
Other	(1.40%)	0.90%	(1.30%)
Effective tax rate	40.00%	36.20%	34.70%
Activity related to unrecognized tax benefits
Balance, beginning of the year	1,152,000	2,044,000	1,953,000
Additions for tax position related to the current year	125,000	125,000	189,000
Additions for tax position related to the prior year	7,000	191,000	0
Decreases for tax position related to the prior year	(316,000)	(1,102,000)	0
Prior year reductions
Lapse of statute of limitations	(131,000)	(106,000)	(137,000)
Change in exchange rate	0	0	39,000
Balance, end of the year	837,000	1,152,000	2,044,000	1,953,000
Foreign
Operating loss carryforwards
Net operating loss carryforwards	$ 32,800,000
Foreign | Low end of range
Operating loss carryforwards
Period for net operating loss carryforwards to be carried forward	5 years