Stock-Based Compensation (Activity for Stock Option Awards) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended	9 Months Ended
	Jun. 30, 2013	Jun. 30, 2013
Stock-Based Compensation
Number of options, beginning balance	4,535	4,556
Weighted Average Exercise Price Per Share, beginning balance	$ 24.90	$ 21.79
Options granted, Number of options	3	693
Options granted, Weighted Average Exercise Price Per Share	$ 36.00	$ 33.72
Options exercised, Number of options	(57)	(750)
Options exercised, Weighted Average Exercise Price Per Share	$ 15.89	$ 13.32
Options forfeited, Number of options	(10)	(28)
Options forfeited, Weighted Average Exercise Price Per Share	$ 29.93	$ 29.07
Number of options, ending balance	4,471	4,471
Weighted Average Exercise Price Per Share, ending balance	$ 25.01	$ 25.01