Share Based Awards (Details 1)	9 Months Ended
	Dec. 31, 2012 Y	Dec. 31, 2011 Y
Schedule of Share Based Compensation Valuation Assumption
Expected life (in years)	5.0	4.3
Expected volatility		41.20%
Expected Dividends		1.60%
Risk-free rate		1.80%
Minimum [Member]
Schedule of Share Based Compensation Valuation Assumption
Expected volatility	41.30%
Expected Dividends	2.40%
Risk-free rate	0.70%
Maximum [Member]
Schedule of Share Based Compensation Valuation Assumption
Expected volatility	45.10%
Expected Dividends	4.00%
Risk-free rate	0.80%