Quarterly report pursuant to sections 13 or 15(d)

Stockholders' Equity (Long Term Incentive Plan) (Details)

v2.4.0.6
Stockholders' Equity (Long Term Incentive Plan) (Details) (USD $)
In Thousands, except Share data, unless otherwise specified
3 Months Ended 6 Months Ended 6 Months Ended 0 Months Ended 6 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Mar. 31, 2012
Mar. 31, 2013
Full Performance Criteria [Member]
First Three Years [Member]
JD Alexander [Member]
Mar. 31, 2013
Full Performance Criteria [Member]
First Three Years [Member]
Named Executive Officers [Member]
Mar. 31, 2013
Full Performance Criteria [Member]
Fourth Year [Member]
JD Alexander [Member]
Mar. 31, 2013
Full Performance Criteria [Member]
Fourth Year [Member]
Named Executive Officers [Member]
Mar. 31, 2013
Full Performance Criteria [Member]
Fifth Year [Member]
JD Alexander [Member]
Mar. 31, 2013
Full Performance Criteria [Member]
Fifth Year [Member]
Named Executive Officers [Member]
Mar. 31, 2013
Performance Shares [Member]
May 26, 2011
Performance Shares [Member]
Apr. 19, 2012
Performance Shares [Member]
JD Alexander [Member]
May 26, 2011
Performance Shares [Member]
Named Executive Officers [Member]
Mar. 31, 2013
Performance Shares [Member]
Full Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Full Performance Criteria [Member]
First Three Years [Member]
Mar. 31, 2013
Performance Shares [Member]
Full Performance Criteria [Member]
Fourth Year [Member]
Mar. 31, 2013
Performance Shares [Member]
Full Performance Criteria [Member]
Fifth Year [Member]
Mar. 31, 2013
Performance Shares [Member]
Partial Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Vesting Immediately [Member]
Full Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Vesting Immediately [Member]
Partial Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Vesting on First Anniversary of Achievement Date [Member]
Full Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Vesting on First Anniversary of Achievement Date [Member]
Partial Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Vesting on Second Anniversary of Achievement Date [Member]
Full Performance Criteria [Member]
Mar. 31, 2013
Performance Shares [Member]
Vesting on Second Anniversary of Achievement Date [Member]
Partial Performance Criteria [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                                                  
Plan duration                     5 years                            
Shares approved for issuance                       152,403                          
Shares granted                         93,793 58,610                      
Fair value of shares awarded                     $ 310                            
Assumed annual volatility                     53.30%                            
Assumed risk free interest rate                     2.80%                            
Stock trading window                             20 days       20 days            
Base stock price         $ 46.00 $ 50.40 $ 49.22 $ 53.93 $ 52.44 $ 57.46                              
Trading value of common stock, percentage of base price                               200.00% 214.00% 228.00% 90.00%            
Percentage of award awarded                             100.00%       50.00%            
Vesting rate                                       50.00% 25.00% 25.00% 12.50% 25.00% 12.50%
Stock-based compensation expense $ 174 $ 125 $ 315 $ 246             $ 27