Debt	9 Months Ended
Jun. 30, 2019
Debt Disclosure [Abstract]
Debt Disclosure [Text Block]	4. DEBT At June 30, 2019, and September 30, 2018, our long-term debt of $9,915 and $29,564, respectively, primarily related to amounts drawn on our revolving credit facility. Our weighted-average annual interest rate on these borrowings was 4.48% at June 30, 2019, and 3.86% at September 30, 2018. At June 30, 2019, we also had $6,551 in outstanding letters of credit and total availability of $85,024 under our revolving credit facility without violating our financial covenants. Pursuant to our Second Amended and Restated Credit and Security Agreement with Wells Fargo Bank, N.A. (as amended, the “Credit Agreement”), the Company is subject to the financial or other covenants disclosed in Item 7 of our Annual Report on Form 10-K for the year ended September 30, 2018. Effective May 20, 2019, the Company entered into a Fourth Amendment to the Credit Agreement, which permits the Company to repurchase up to 1.0 million additional shares of common stock pursuant to its previously authorized stock repurchase program for an aggregate purchase price (including for any remaining shares under the previous share repurchase authorization) not to exceed $25,000. There have been no other changes to the financial or other covenants disclosed in Item 7 of our Annual Report on Form 10-K for the year ended September 30, 2018. The Company was in compliance with the financial covenants as of June 30, 2019. At June 30, 2019, the carrying value of amounts outstanding on our revolving credit facility approximated fair value, as debt incurs interest at a variable rate. The fair value of the debt is classified as a Level 2 measurement.

4. DEBT

At June 30, 2019, and September 30, 2018, our long-term debt of $9,915 and $29,564, respectively, primarily related to amounts drawn on our revolving credit facility. Our weighted-average annual interest rate on these borrowings was 4.48% at June 30, 2019, and 3.86% at September 30, 2018. At June 30, 2019, we also had $6,551 in outstanding letters of credit and total availability of $85,024 under our revolving credit facility without violating our financial covenants.

Pursuant to our Second Amended and Restated Credit and Security Agreement with Wells Fargo Bank, N.A. (as amended, the “Credit Agreement”), the Company is subject to the financial or other covenants disclosed in Item 7 of our Annual Report on Form 10-K for the year ended September 30, 2018.

Effective May 20, 2019, the Company entered into a Fourth Amendment to the Credit Agreement, which permits the Company to repurchase up to 1.0 million additional shares of common stock pursuant to its previously authorized stock repurchase program for an aggregate purchase price (including for any remaining shares under the previous share repurchase authorization) not to exceed $25,000. There have been no other changes to the financial or other covenants disclosed in Item 7 of our Annual Report on Form 10-K for the year ended September 30, 2018. The Company was in compliance with the financial covenants as of June 30, 2019.

At June 30, 2019, the carrying value of amounts outstanding on our revolving credit facility approximated fair value, as debt incurs interest at a variable rate. The fair value of the debt is classified as a Level 2 measurement.