|
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified |
9 Months Ended | 12 Months Ended | 0 Months Ended | 9 Months Ended | ||||
|---|---|---|---|---|---|---|---|---|
|
Jun. 30, 2013
|
Jun. 30, 2012
|
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
|
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Minimum [Member]
|
Sep. 30, 2012
Internal Revenue Service (IRS) [Member]
Maximum [Member]
|
Oct. 09, 2012
State and Local Jurisdiction [Member]
|
Jun. 30, 2013
State and Local Jurisdiction [Member]
|
Sep. 30, 2012
State and Local Jurisdiction [Member]
|
|
| Income taxes [Abstract] | ||||||||
| Effective tax rate | 38.80% | 38.10% | ||||||
| Income Tax Examination [Line Items] | ||||||||
| Years under examination | 2005 | 2007 | ||||||
| Cash paid for income taxes | $ 1,222 | $ 3,614 | $ 613 | $ 318 | ||||
| Interest paid on tax settlement | 225 | 5 | 135 | |||||
| Penalties and interest due | $ 149 | |||||||