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INCOME TAXES Undistributed Earnings And Income Tax Rates (Details) (USD $)
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Sep. 30, 2012
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|---|---|
| Undistributed earnings of Helpson | $ 114,600,000 |
| Investment in Helpson, a foreign subsidiary for the company | $ 23,300,000 |
| INCOME TAXES Enterprise Income Tax Rates | |
| 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% |