INCOME TAXES Undistributed Earnings And Income Tax Rates (Details) (USD $)	Dec. 31, 2012
Undistributed earnings of Helpson	$ 113,400,000
Investment in Helpson, a foreign subsidiary for the company	$ 23,300,000
Enterprise Income Tax Rates for the year 2012	15.00%
Enterprise Income Tax Rates for the year 2013	15.00%
Enterprise Income Tax Rates for the year 2014 and after	25.00%