Annual report pursuant to Section 13 and 15(d)

Other Assets - Other Noncurrent Assets (Detail)

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Other Assets - Other Noncurrent Assets (Detail) - USD ($)
$ in Thousands
Sep. 30, 2019
Sep. 30, 2018
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]    
Settlement receivable $ 0 $ 7,224
Notes receivable 2,124 2,561
Other assets 160 485
Total other assets $ 2,284 $ 10,270