Stock-Based Compensation (Changes in Nonvested Stock Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2014	Jun. 30, 2014
Options granted, Number of options	0	694
Stock Options [Member]
Number of Options, beginning balance	1,707	1,737
Weighted-Average Exercise Price Per Share, beginning balance	$ 34.80	$ 29.97
Options granted, Number of options	0	694
Options granted, Weighted-Average Exercise Price Per Share		$ 40.99
Options vested, Number of options	(14)	(697)
Options vested, Weighted-Average Exercise Price Per Share	$ 32.76	$ 28.90
Options forfeited, Number of options	(5)	(46)
Options forfeited, Weighted-Average Exercise Price Per Share	$ 33.90	$ 34.66
Number of Options, ending balance	1,688	1,688
Weighted-Average Exercise Price Per Share, ending balance	$ 34.82	$ 34.82