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LONG-TERM DEBT - Credit Facility (Details) - USD ($) $ in Thousands | 6 Months Ended | 9 Months Ended |  |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2021 | Sep. 30, 2025 | Sep. 21, 2022 | Sep. 20, 2022 | Nov. 05, 2021 | Mar. 10, 2021 | Mar. 09, 2021 | Sep. 07, 2017
Long-term debt |  |  |  |  |  |  |  |
Outstanding Principal |  | $ 606,800 |  |  |  |  |  |
Credit Facility |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  |  |  | $ 200,000
Maximum borrowing capacity, after possible increase |  |  |  |  |  |  |  | $ 300,000
Debt Instrument, Variable Interest Rate, Type |  | us-gaap:SecuredOvernightFinancingRateSofrMember |  |  |  |  |  |
Debt instrument, variable rate, adjustment (as a percent) |  | 0.10% |  |  |  |  |  |
Unused portion of the borrowing capacity fee percentage condition |  | 50.00% |  |  |  |  |  |
Extension term |  | 1 year |  |  |  |  |  |
Outstanding Principal |  | $ 139,000 |  |  |  |  |  |
Borrowing capacity |  | 300,000 |  |  |  |  |  |
Available borrowing capacity |  | 161,000 |  |  |  |  |  |
Amount outstanding |  | $ 139,000 |  |  |  |  |  |
Credit Facility | Minimum [Member] |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Margin added to variable rate basis (as a percent) |  | 1.25% |  |  |  |  |  |
Commitment fee percentage on unused portion of the borrowing capacity |  | 0.15% |  |  |  |  |  |
Credit Facility | Maximum [Member] |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Margin added to variable rate basis (as a percent) |  | 2.20% |  |  |  |  |  |
Commitment fee percentage on unused portion of the borrowing capacity |  | 0.25% |  |  |  |  |  |
New Term Loan |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Outstanding Principal |  |  |  | $ 100,000 |  |  |  |
Debt instrument face amount after accordion option |  |  |  | 750,000 |  |  |  |
Eighth Amendment to Revolving Credit Facility |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  | $ 300,000 | 210,000 |  |  |  |
Debt instrument face amount after accordion option |  |  |  | $ 500,000 |  |  |  |
Credit Revolver Amendment 2021 |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  |  | $ 210,000 | $ 200,000 |
Aggregate borrowing capacity, additional commitments |  |  |  |  |  | 300,000 |  |
2026 Term Loan |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Outstanding Principal |  |  |  |  |  | 50,000 |  |
Aggregate borrowing capacity, additional commitments | $ 65,000 |  |  |  |  | $ 150,000 |  |
Proceeds from Lines of Credit | $ 15,000 |  |  |  |  |  |  |
2027 Term loan |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Maximum borrowing capacity |  |  |  |  | $ 400,000 |  |  |
Debt instrument, variable rate, adjustment (as a percent) |  | 0.10% |  |  |  |  |  |
Outstanding Principal |  | $ 100,000 |  |  | $ 100,000 |  |  |
2027 Term loan | Minimum [Member] |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Margin added to variable rate basis (as a percent) |  | 1.25% |  |  |  |  |  |
2027 Term loan | Maximum [Member] |  |  |  |  |  |  |  |
Long-term debt |  |  |  |  |  |  |  |
Margin added to variable rate basis (as a percent) |  | 2.20% |  |  |  |  |  |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + 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/2009/role/commonPracticeRef -Topic 944 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)(a)(2)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1 + Details
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- Definition Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(19)(b)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 + Details
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