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Leases (Notes) | 12 Months Ended
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Sep. 30, 2019
Leases [Abstract] |
Leases of Lessee Disclosure [Text Block] | 9. LEASES We enter into operating leases for many of our facilities, vehicle and equipment needs. These leases allow us to retain cash, and we pay a monthly lease rental fee. At the end of the lease, we have no further obligation to the lessor. We may cancel or terminate a lease before the end of its term. Typically, we would be liable to the lessor for various lease cancellation or termination costs and the difference between the fair market value of the leased asset and the implied book value of the leased asset as calculated in accordance with the lease agreement. For a discussion of leases with certain related parties which are included below, see Note 13, “Related-Party Transactions.” Rent expense was $10,553, $7,680 and $6,990 for the years ended September 30, 2019, 2018 and 2017, respectively. Future minimum lease payments under these non-cancelable operating leases that had commenced as of September 30, 2019 with terms in excess of one year are as follows:
Year Ended September 30:
2020 | $ | 8,101 |
2021 | 6,235 |
2022 | 4,750 |
2023 | 3,139 |
2024 | 2,130 |
Thereafter | 3,595 |
Total | $ | 27,950 |
Some of the lease agreements entered into will not commence until the year ended September 30, 2020. The total future undiscounted cash flows related to lease agreements committed to but not yet commenced as of September 30, 2019, is $1,964.We also entered into two large building lease renewals at our Infrastructure Solutions segment in October 2019 that will commence in the year ended September 30, 2020 and have total future undiscounted cash flows of $2,422.

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- Definition The entire disclosure for lessee entity's leasing arrangements including, but not limited to, all of the following: (a.) The basis on which contingent rental payments are determined, (b.) The existence and terms of renewal or purchase options and escalation clauses, (c.) Restrictions imposed by lease agreements, such as those concerning dividends, additional debt, and further leasing. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -URI http://asc.fasb.org/topic&trid=2208923 + Details
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