Quarterly report pursuant to Section 13 or 15(d)

Debt - Schedule of Debt (Detail)

v3.8.0.1
Debt - Schedule of Debt (Detail) - USD ($)
$ in Thousands
Mar. 31, 2018
Sep. 30, 2017
Long-term debt:    
Total long-term debt $ 47,500 $ 57,500
Deferred debt issuance costs (325) (364)
Current maturities of long-term debt (10,000) (10,000)
Long-term debt, net of current maturities 37,175 47,136
Current maturities of debt:    
Current maturities of long-term debt 10,000 10,000
Total current maturities of debt 10,000 10,000
Compass Term Loan [Member]    
Long-term debt:    
Total long-term debt 42,500 47,500
Compass Revolving Credit Facility [Member]    
Long-term debt:    
Total long-term debt $ 5,000 $ 10,000