Quarterly report pursuant to Section 13 or 15(d)

Income Taxes (Details)

v2.4.0.8
Income Taxes (Details) (USD $)
In Thousands, unless otherwise specified
9 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Sep. 30, 2013
Income Taxes [Abstract]      
Effective tax rate (in hundredths) 34.10% 34.30%  
Federal statutory rate (in hundredths) 35.00%    
Unrecognized tax benefits that would impact effective tax rate $ 4,346   $ 4,516
Interest and penalties on tax uncertainties 587    
Total penalties and interest accrued $ 2,670   $ 2,401
United States - Federal [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2011 and forward    
United States - State [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2009 and forward    
Canada [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2008 and forward    
Europe [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2008 and forward    
United Kingdom [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2012 and forward    
Australia [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2009 and forward    
Asia [Member]
     
Income Tax Contingency [Line Items]      
Years under examination 2008 and forward