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LEASES - Lease Position (Details) - USD ($) $ in Thousands | Sep. 30, 2021 | Sep. 30, 2020
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Leases [Abstract] |  |
Operating lease commitments, including probable extensions | $ 56,667 | $ 48,695
Discounted using the lessee's incremental borrowing rate at the date of initial application | 52,372 | 46,706
(Less): short-term leases recognized on a straight-line basis as expense | (1,761) | (1,456)
(Less): Low value lease contracts | (123) | 0
Lease liability recognized | 50,488 | 45,250
Current lease liabilities | 12,624 | 11,364
Non-current lease liabilities | $ 37,864 | $ 33,886
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Accrued liabilities | Accrued liabilities
Operating Lease, Liability, Noncurrent, Statement of Financial Position [Extensible List] | Other | Other

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- Definition Operating Lease, Liability, Including Probable Extensions + References No definition available. + Details
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- Definition Operating Lease, Liability, Including Short Term Commitment + References No definition available. + Details
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- Definition Operating Lease, Liability, to be Paid, Including Probable Lease Extension Options + References No definition available. + Details
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- Definition Short-Term Lease Contract With Low Value + References No definition available. + Details
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- References No definition available. + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as current. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Indicates line item in statement of financial position that includes current operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977 + Details
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918627-209977 + Details
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- Definition Indicates line item in statement of financial position that includes noncurrent operating lease liability. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=123391704&loc=SL77918631-209977 + Details
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- Definition Amount of short-term lease commitment. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=123408670&loc=SL77918705-209980 + Details
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