Share Based Awards (Details 3)	3 Months Ended	9 Months Ended	3 Months Ended		9 Months Ended	3 Months Ended
	Jun. 30, 2013	Dec. 31, 2011	Jun. 30, 2013 Performance Based Award [Member]	Jun. 30, 2012 Performance Based Award [Member]	Dec. 31, 2011 Minimum [Member]	Jun. 30, 2012 Maximum [Member]
Schedule of Performance Based Awards Under Incentive plan
Expected life (in years)	4 years 10 months 24 days	5 years	4 years 10 months 24 days	5 years
Expected volatility			43.50%	41.70%
Expected dividends	3.90%	2.40%	3.70%	2.50%
Risk-free rate	1.00%		1.40%	0.70%	0.70%	0.80%