Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

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Income Taxes (Details) (USD $)
3 Months Ended 9 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2012
Dec. 31, 2011
Income Taxes (Textual) [Abstract]        
Income tax benefit (expense) $ 1,399,000 $ 268,000 $ 3,431,000 $ (11,108,000)
Effective tax rate 51.20% 37.20% 39.50% 33.30%
Provision for discrete tax benefit (expense)       (12,500,000)
EstimatedAnnualEffectiveIncomeTaxRateContinuingOperations     38.10% 43.00%
Discrete tax benefit (expense) $ 300,000   $ 100,000 $ 2,100,000