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COMMITMENTS AND CONTINGENCIES (Details) (USD $)
3 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Loss Contingencies [Line Items]    
Unrecorded Unconditional Purchase Obligation $ 183,000,000  
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]    
2014 (remaining 9 months) 3,326,000  
2015 1,920,000  
2016 1,341,000  
2017 730,000  
2018 652,000  
Thereafter 1,576,000  
Total minimum future rental payments 9,545,000  
Total rent expense for operating leases $ 1,500,000 $ 1,400,000