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Commitments and Contingencies (Schedule of Future Minimum Annual Rental Commitments Under Leases) (Details)
$ in Thousands
Sep. 30, 2015
USD ($)
Commitments And Contingencies Disclosure [Abstract]  
2016 $ 3,768
2017 2,844
2018 2,147
2019 1,317
2020 1,325
Thereafter 5,586
Total lease commitments $ 16,987