Share Based Awards (Details 3)	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Schedule of Performance Based Awards Under Incentive plan
Expected life (in years)	4 years 9 months 18 days	4 years 10 months 24 days
Expected dividends	4.30%	3.90%
Risk-free rate	1.70%	1.00%
Performance Based Award [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected life (in years)	4 years 9 months 7 days	4 years 10 months 24 days
Expected volatility	36.50%	43.50%
Expected dividends	4.30%	3.70%
Risk-free rate	1.60%	1.40%