Stock-Based Compensation (Changes in Nonvested Stock Options) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 31, 2013
Options granted, Number of options	694
Stock Options [Member]
Number of Options, beginning balance	1,737
Weighted-Average Exercise Price Per Share, beginning balance	$ 29.97
Options granted, Number of options	694
Options granted, Weighted-Average Exercise Price Per Share	$ 40.99
Options vested, Number of options	(647)
Options vested, Weighted-Average Exercise Price Per Share	$ 28.61
Options forfeited, Number of options	(13)
Options forfeited, Weighted-Average Exercise Price Per Share	$ 35.77
Number of Options, ending balance	1,771
Weighted-Average Exercise Price Per Share, ending balance	$ 34.75