Share-based Compensation (Weighted-Average Remaining Contractual Life And Exercise Price Of Options Outstanding And Exercisable) (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Sep. 30, 2013
$7.86 - $7.99
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range	$ 7.86
Exercise price upper range	$ 7.99
Options Outstanding, Number Outstanding	16
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	1 year 3 months 22 days
Options Outstanding, Weighted Average Exercise Price	$ 7.87
Options Exercisable, Number Exercisable	16
Options Exercisable, Weighted Average Exercise Price	$ 7.87
$8.50 - $9.81
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range	$ 8.50
Exercise price upper range	$ 9.81
Options Outstanding, Number Outstanding	5
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	0 years 8 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 9.67
Options Exercisable, Number Exercisable	5
Options Exercisable, Weighted Average Exercise Price	$ 9.67
$10.14- $10.67
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range	$ 10.14
Exercise price upper range	$ 10.67
Options Outstanding, Number Outstanding	54
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	0 years 11 months 9 days
Options Outstanding, Weighted Average Exercise Price	$ 10.55
Options Exercisable, Number Exercisable	54
Options Exercisable, Weighted Average Exercise Price	$ 10.55
$11.20 - $12.89
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range	$ 11.20
Exercise price upper range	$ 12.89
Options Outstanding, Number Outstanding	296
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	1 year 11 months 5 days
Options Outstanding, Weighted Average Exercise Price	$ 12.44
Options Exercisable, Number Exercisable	296
Options Exercisable, Weighted Average Exercise Price	$ 12.44
$16.00 - $16.17
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range	$ 16.00
Exercise price upper range	$ 16.17
Options Outstanding, Number Outstanding	48
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	2 years 5 months 12 days
Options Outstanding, Weighted Average Exercise Price	$ 16.01
Options Exercisable, Number Exercisable	48
Options Exercisable, Weighted Average Exercise Price	$ 16.01
$7.86 - $16.17
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Exercise price lower range	$ 7.86
Exercise price upper range	$ 16.17
Options Outstanding, Number Outstanding	419
Options Outstanding, Weighted Average Remaining Contractual Life (in years)	1 year 9 months 25 days
Options Outstanding, Weighted Average Exercise Price	$ 12.40
Options Exercisable, Number Exercisable	419
Options Exercisable, Weighted Average Exercise Price	$ 12.40