SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES Changes in Accounting Estimates (Details 5) (USD $)	3 Months Ended
	Jun. 30, 2012
Operating Income [Member]
Change in Accounting Estimate [Line Items]
Change in Accounting Estimate	$ (1,299,000)
Net Income [Member]
Change in Accounting Estimate [Line Items]
Change in Accounting Estimate	(802,000)
Earnings Per Share, Diluted [Member]
Change in Accounting Estimate [Line Items]
Change in Accounting Estimate	(0.02)
Gross Favorable Change in Estimates [Member]
Change in Accounting Estimate [Line Items]
Change in Accounting Estimate	6,283,000
Gross Unfavorable Changes In Estimates [Member]
Change in Accounting Estimate [Line Items]
Change in Accounting Estimate	$ (7,582,000)