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Cash and Credit Facilities - Narrative (Details) | 12 Months Ended
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Sep. 30, 2019 USD ($)
Interest Rate Swap |
Line of Credit Facility [Line Items] |
Notional amount of floating-to-fix interest rate swap | $ 36,000,000
Secured Debt | Term loan |
Line of Credit Facility [Line Items] |
Secured term loan, face amount | 70,000,000
Voluntary prepayment of line of credit | $ 12,700,000
Fixed charge coverage ratio | 1.25
Ratio of debt to EBITDA | 3.25
Secured Debt | Term loan | Maximum |
Line of Credit Facility [Line Items] |
Ratio of debt to EBITDA | 4.25
Secured Debt | Term loan | Excess Cash Flow Greater Than or Equal to 2.50 |
Line of Credit Facility [Line Items] |
Percentage of excess cash flow for each year of funded indebtedness to adjusted EBITDA | 75.00%
Ratio of funded indebtedness to adjusted EBIDTA | 2.50
Secured Debt | Term loan | Excess Cash Flow Less Than 2.50 But Greater Than or Equal to 1.50 |
Line of Credit Facility [Line Items] |
Percentage of excess cash flow for each year of funded indebtedness to adjusted EBITDA | 50.00%
Secured Debt | Term loan | Excess Cash Flow Less Than 2.50 But Greater Than or Equal to 1.50 | Maximum |
Line of Credit Facility [Line Items] |
Ratio of funded indebtedness to adjusted EBIDTA | 2.50
Secured Debt | Term loan | Excess Cash Flow Equal to 1.50 |
Line of Credit Facility [Line Items] |
Ratio of funded indebtedness to adjusted EBIDTA | 1.5
Secured Debt | Term loan | Excess Cash Flow Less Than 1.50 |
Line of Credit Facility [Line Items] |
Percentage of excess cash flow for each year of funded indebtedness to adjusted EBITDA | 0.00%
Ratio of funded indebtedness to adjusted EBIDTA | 1.5
Secured Debt | Term loan | LIBOR |
Line of Credit Facility [Line Items] |
Debt instrument, interest rate, effective percentage | 2.10%
Secured Debt | Term loan | LIBOR | Maximum |
Line of Credit Facility [Line Items] |
Debt instrument, interest rate, effective percentage | 4.50%
Secured Debt | Term loan | LIBOR | Minimum |
Line of Credit Facility [Line Items] |
Debt instrument, interest rate, effective percentage | 2.50%
Secured Debt | Revolving Line of Credit |
Line of Credit Facility [Line Items] |
Line of credit ceiling | $ 25,000,000
Remaining borrowing availability | 16,300,000
Unused borrowing capacity | $ 16,300,000
Secured Debt | Revolving Line of Credit | LIBOR |
Line of Credit Facility [Line Items] |
Debt instrument, interest rate, effective percentage | 2.10%
Secured Debt | Letters of Credit |
Line of Credit Facility [Line Items] |
Remaining borrowing availability | $ 3,000,000

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