Stock-based Compensation (Schedule of SAR Activity) (Details) (SARS, USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Dec. 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, 2014	747
Granted	680
Exercised	(23)
Cancelled/Expired	(5)
Outstanding at December 31, 2014	1,399
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Outstanding at September 30, 2014	$ 10.96
Granted	$ 13.54
Exercised	$ 10.96
Cancelled/Expired	$ 11.98
Outstanding at December 31, 2014	$ 12.21
Aggregate Intrinsic Value, exercised	$ 112
Weighted-Average Remaining Contractual Term in Years, Outstanding at December 31, 2014 (years)	6 years 3 months 29 days
Aggregate Intrinsic Value, Outstanding at December 31, 2014	6,101
Number of Shares, Exercisable at December 31, 2014 (shares)	175
Weighted-Average Exercise Price, Exercisable at December 31, 2014	$ 10.96
Weighted-Average Remaining Contractual Term in Years, Exercisable at December 31, 2014 (years)	5 years 10 months 6 days
Aggregate Intrinsic Value, Exercisable at December 31, 2014	$ 983