Share Based Awards (Details 3)	3 Months Ended		9 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Schedule of Performance Based Awards Under Incentive plan
Expected life (in years)				4 years 10 months
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected term maximum			3 years 11 months
Risk-free rate				1.70%
Minimum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected volatility			38.30%	36.40%
Expected dividends			4.10%	4.30%
Risk-free rate			1.30%
Maximum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected volatility			38.90%	36.60%
Expected dividends			5.30%	4.40%
Risk-free rate			1.60%
Performance Based Award [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected life (in years)	3 years 9 months	4 years 9 months	3 years 10 months	4 years 9 months
Share-based compensation arrangement by share-based payment award, fair value assumptions, expected term maximum			3 years 10 months 25 days
Expected volatility	39.20%	36.20%
Expected dividends	0.00%	4.40%
Risk-free rate	1.50%	1.70%
Performance Based Award [Member] | Minimum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected volatility			37.70%	36.20%
Expected dividends			0.00%	4.30%
Risk-free rate			1.10%	1.60%
Performance Based Award [Member] | Maximum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected volatility			39.20%	36.50%
Expected dividends			5.50%	5.00%
Risk-free rate			1.60%	1.80%