Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Other Intangible Assets - Narrative (Details)

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Goodwill and Other Intangible Assets - Narrative (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2016
Jun. 30, 2015
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense on intangible assets $ 5,235 $ 4,651 $ 15,641 $ 13,872
Future amortization expense [Abstract]        
Future amortization expense for the remainder 2016 5,232   5,232  
Future amortization expense 2017 20,494   20,494  
Future amortization expense 2018 19,189   19,189  
Future amortization expense 2019 18,146   18,146  
Future amortization expense 2020 $ 17,020   $ 17,020