Income Taxes (Narratives) (Details) (USD $)	3 Months Ended		6 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011	Mar. 31, 2012
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate	16.00%	31.00%	17.00%	32.00%
Deferred Tax Assets, Valuation Allowance					$ 42,983,000
Maximum [Member] | Scenario, Forecast [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate			20.00%
Minimum [Member] | Scenario, Forecast [Member]
Income Tax [Line Items]
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate			15.00%