Share Based Awards (Details 3)	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2014	Mar. 31, 2013
Schedule of Performance Based Awards Under Incentive plan
Expected life	4 years 10 months 24 days	5 years 0 months 12 days	4 years 3 months 18 days
Performance Based Awards [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected life	4 years 10 months 24 days	5 years 0 months 18 days	4 years 3 months 18 days
Expected volatility, Minimum Rate	36.90%	41.70%	41.20%
Expected volatility, Maximum Rate	43.50%	45.00%	42.20%
Expected dividends			1.40%
Risk-free rate, Minimum Rate	1.40%	0.60%	0.80%
Risk-free rate, Maximum Rate	1.80%	0.70%	1.80%
Performance Based Awards [Member] | Minimum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected dividends	3.20%	2.50%
Performance Based Awards [Member] | Maximum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected dividends	4.10%	4.00%	1.90%