Description Of Business And Basis Of Presentation Fiscal Period (Details)	3 Months Ended		6 Months Ended		12 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Mar. 31, 2015	Mar. 31, 2014
Fiscal Period
Current and prior years fiscal period (in weeks)					52	52
Current and prior years fiscal quarter period (in weeks)	13	13	26	26
Minimum
Fiscal Period
Fiscal year (in weeks)			52
Maximum
Fiscal Period
Fiscal year (in weeks)			53