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Commitments and Contingencies - Commitments (Narrative) (Details) $ in Thousands	3 Months Ended
	Dec. 31, 2024 USD ($)
Other Commitments [Line Items]
Outstanding operating lease obligations	$ 53,294
Total future minimum lease payments	20,837
Commitment reduction	8,800
Convertible Senior Notes, Due 2025 | Convertible Debt
Other Commitments [Line Items]
Long term debt	434,400
Convertible Senior Notes, Due 2029 | Convertible Debt
Other Commitments [Line Items]
Long term debt	747,500
Purchase Commitment - Cloud Services and Software and Maintenance Agreement
Other Commitments [Line Items]
Expiring commercial commitment balance	38,100
Commercial commitment to be paid year one	20,000
Commercial commitment to be paid year two	$ 18,100

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- Definition

Commercial Commitment, to be Paid, Year One

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Commercial Commitment, to be Paid, Year Two

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Commercial Commitments, Expiring

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Commitment and Contingencies, Commercial Commitment, Reduction

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Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(22))
-SubTopic 10
-Topic 210
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Topic 942
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.9-03(16))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 470
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 4
-Subparagraph (b)(1)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481139/470-20-50-4

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Amount of lessee's undiscounted obligation for lease payments for finance lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 842
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 6
-Publisher FASB
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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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