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Debt | 12 Months Ended
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Sep. 30, 2018
Debt Disclosure [Abstract] |
Debt | Debt Credit Facilities Our credit agreement provides for a revolving line of credit up to $400 million that may be used for revolving loans, swingline loans (subject to a sublimit of $5 million), and to request letters of credit, subject to a sublimit of $50 million. The line of credit is available for general corporate purposes, including working capital, capital expenditures and acquisitions. Borrowings are permitted in currencies other than the U.S. Dollar. In September 2017, we extended the term of our credit agreement to September 2022, at which time all outstanding borrowings must be repaid. At September 30, 2018, we had no borrowings under the credit agreement. In addition to borrowings under the credit agreement, we have an outstanding loan of $0.5 million (0.7 million Canadian Dollars) with the Atlantic Innovation Fund of Canada. There is no interest charge on this loan. The Atlantic Innovation Fund loan is repayable over 15 remaining quarterly installments. At September 30, 2018, we held two letters of credit under our credit agreement totaling $0.7 million. Each of these letters of credit may be called by vendors in the event that the Company defaults under the terms of a contract, the probability of which we believe is remote. In addition, two letters of credit totaling $3.0 million, secured with restricted cash balances, are held with another financial institution to cover similar obligations to customers. Our credit agreement requires us to comply with covenants including a maximum total leverage ratio and a minimum fixed charge coverage ratio. We were in compliance with all covenants as of September 30, 2018. Our obligations under the credit agreement are guaranteed by material domestic subsidiaries of the Company, but are otherwise unsecured. In the event that our total leverage ratio, as defined in the credit agreement, exceeds 2.50:1, we would be obliged to provide security in the form of the assets of the parent Company and certain of its subsidiaries. Our credit agreement contains no restrictions on the payment of dividends as long as our leverage ratio does not exceed 2.50:1. At September 30, 2018, our total leverage ratio was less than 1.0:1.0. We do not believe that the provisions of the credit agreement represent a significant restriction to the successful operation of the business or to our ability to pay dividends. The Credit Agreement provides for an annual commitment fee payable on funds not borrowed or utilized for letters of credit. This charge is based upon our leverage and varies between 0.125% and 0.275%. Commitment fees are recorded as interest expense on the consolidated statement of operations. Borrowings under the Credit Agreement bear interest at our choice at either (a) a Base Rate plus a margin that varies between 0.0% and 0.75% per year, (b) a Eurocurrency Rate plus an applicable margin that varies between 1.0% and 1.75% per year or (c) an Index Rate plus an applicable margin which varies between 1.0% and 1.75% per year. The Base Rate, Eurocurrency Rate and Index Rate are defined by the Credit Agreement. Derivative Arrangement In order to add stability to our interest expense and manage our exposure to interest rate movements, we may enter into derivative arrangements to fix payments on part of an outstanding loan balance. We agree to pay a fixed rate of interest to a financial institution and receive a balance equivalent to the floating rate payable. Our outstanding derivative instruments expired during fiscal year 2017. As this cash flow hedge was considered effective, the gains and losses in the fair value of this derivative instrument were reported in accumulated other comprehensive income (AOCI) in the consolidated statement of comprehensive income. Interest Payments During the fiscal years ended September 30, 2018, 2017 and 2016, we made interest payments of $0.6 million, $2.0 million and $3.7 million, respectively.

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- Definition The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -URI http://asc.fasb.org/topic&trid=2208564 + Details
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