Annual report pursuant to Section 13 and 15(d)

Goodwill and intangible assets (Details 2)

v2.4.0.8
Goodwill and intangible assets (Details 2) (USD $)
 12 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2011
Components of intangible assets      
Cost $ 53,490,000 $ 33,985,000  
Accumulated Amortization 11,451,000 8,655,000  
Intangible Assets, net 42,039,000 25,330,000  
Weighted average remaining life of assets not fully amortized 12 years 7 months 6 days    
Amortization expense 4,900,000 2,700,000 2,200,000
Estimated future amortization expense      
Year ending September 30, 2014 5,322,000    
Year ending September 30, 2015 5,165,000    
Year ending September 30, 2016 4,865,000    
Year ending September 30, 2017 4,466,000    
Year ending September 30, 2018 3,768,000    
Customer contracts and relationships
      
Components of intangible assets      
Cost 39,243,000 20,167,000  
Accumulated Amortization 3,953,000 3,082,000  
Intangible Assets, net 35,290,000 17,085,000  
Weighted average remaining life of assets not fully amortized 14 years 2 months 12 days    
Technology-based intangible assets
      
Components of intangible assets      
Cost 9,583,000 9,114,000  
Accumulated Amortization 5,974,000 4,909,000  
Intangible Assets, net 3,609,000 4,205,000  
Weighted average remaining life of assets not fully amortized 4 years 1 month 6 days    
Fully-amortized but still in use intangible assets 3,400,000    
Trademarks and trade names
      
Components of intangible assets      
Cost 4,421,000 4,450,000  
Accumulated Amortization 1,303,000 497,000  
Intangible Assets, net 3,118,000 3,953,000  
Weighted average remaining life of assets not fully amortized 3 years 10 months 24 days    
Non-compete arrangements
      
Components of intangible assets      
Cost 243,000 254,000  
Accumulated Amortization 221,000 167,000  
Intangible Assets, net $ 22,000 $ 87,000  
Weighted average remaining life of assets not fully amortized 3 months 18 days