Stock-based Compensation (Schedule of SAR Activity) (Details) (SARS, USD $) In Thousands, except Per Share data, unless otherwise specified	6 Months Ended
	Mar. 31, 2014
SARS
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Outstanding at September 30, 2013	0
Granted	779
Exercised	0
Cancelled/Expired	(2)
Outstanding at March 31, 2014	777
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at September 30, 2013	$ 0.00
Granted	$ 10.96
Exercised	$ 0.00
Cancelled/Expired	$ 10.96
Outstanding at March 31, 2014	$ 10.96
Weighted-Average Remaining Contractual Term in Years, Outstanding at March 31, 2014 (years)	6 years 7 months 10 days
Aggregate Intrinsic Value, Outstanding at March 31, 2014	$ 3,564
Number of Shares, Exercisable at March 31, 2014 (shares)	0
Weighted-Average Exercise Price, Exercisable at March 31, 2014	$ 0.00
Aggregate Intrinsic Value, Exercisable at March 31, 2014	$ 0