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Debt - Additional Information (Details) - USD ($) |  |  |  | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | --- | --- | --- | ---
Jun. 30, 2025 | Jun. 29, 2025 | Jan. 27, 2023 | Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024 | Feb. 05, 2025 | Sep. 30, 2024
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, covenant, total indebtedness to EBITDA ratio | 3.50 |  |  | 3.50 |  | 3.50 |  |  |
Weighted-average interest rate of total debt | 4.10% |  |  | 4.10% | 4.50% | 4.10% | 4.50% |  | 4.30%
Interest expense, net |  |  |  | $ 43,000,000 | $ 40,000,000 | $ 119,000,000 | $ 121,000,000 |  |
Interest expense, debt |  |  |  | 45,000,000 | $ 46,000,000 | 132,000,000 | $ 137,000,000 |  |
Senior Notes |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Long-term debt, maturities, repayments of principal until 2028 | $ 0 |  |  | 0 |  | 0 |  |  |
Long-term debt, maturities, repayments of principal in rolling year five | 381,000,000 |  |  | 381,000,000 |  | 381,000,000 |  |  |
Long term debt maturities repayments of principal in rolling after year five | $ 2,708,000,000 |  |  | $ 2,708,000,000 |  | $ 2,708,000,000 |  |  |
Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, covenant, total indebtedness to EBITDA ratio | 3.50 |  |  | 3.50 |  | 3.50 |  |  |
Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 4,090,000,000 |  |  | $ 4,090,000,000 |  | $ 4,090,000,000 |  |  | $ 4,048,000,000
Acquisition Corp. | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 0 |  |  | $ 0 |  | $ 0 |  |  | 0
Term loan base rate plus election rate | 1.00% |  |  | 1.00% |  | 1.00% |  |  |
Interest rate applicable to overdue principal |  |  |  |  |  | 2.00% |  |  |
Acquisition Corp. | Revolving Credit Facility | Federal Funds Effective Swap Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 0.50% |  |  |
Tempo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Asset-based securities |  |  |  |  |  |  |  | $ 311,000,000 |
Senior Term Loan Credit Agreement | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 1,295,000,000 |  |  | $ 1,295,000,000 |  | $ 1,295,000,000 |  |  |
2.750% Senior Secured Notes due 2028 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 381,000,000 |  |  | $ 381,000,000 |  | $ 381,000,000 |  |  | 363,000,000
Interest rate | 2.75% |  |  | 2.75% |  | 2.75% |  |  |
3.750% Senior Secured Notes due 2029 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 540,000,000 |  |  | $ 540,000,000 |  | $ 540,000,000 |  |  | 540,000,000
Interest rate | 3.75% |  |  | 3.75% |  | 3.75% |  |  |
3.875% Senior Secured Notes due 2030 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 535,000,000 |  |  | $ 535,000,000 |  | $ 535,000,000 |  |  | 535,000,000
Interest rate | 3.875% |  |  | 3.875% |  | 3.875% |  |  |
2.250% Senior Secured Notes due 2031 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 522,000,000 |  |  | $ 522,000,000 |  | $ 522,000,000 |  |  | 497,000,000
Interest rate | 2.25% |  |  | 2.25% |  | 2.25% |  |  |
3.000% Senior Secured Notes due 2031 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 800,000,000 |  |  | $ 800,000,000 |  | $ 800,000,000 |  |  | 800,000,000
Interest rate | 3.00% |  |  | 3.00% |  | 3.00% |  |  |
Tempo Asset-Based Notes due 2050 | Tempo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 311,000,000 |  |  | $ 311,000,000 |  | $ 311,000,000 |  |  | 0
Weighted-average interest rate of total debt |  |  |  |  |  |  |  | 4.62% |
Debt instrument, marginal interest rate |  |  |  |  |  | 5.00% |  |  |
Beethoven Credit Agreement | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 1.00% |  |  |
Term loan base rate plus election rate | 1.00% |  |  | 1.00% |  | 1.00% |  |  |
Beethoven Credit Agreement | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 2.00% |  |  |
Beethoven Credit Agreement | Revolving Credit Facility | Federal Funds Effective Swap Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 0.50% |  |  |
Beethoven Credit Agreement | Revolving Credit Facility | Line of Credit |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Line of credit facility, maximum borrowing capacity |  | $ 500,000,000 |  |  |  |  |  |  |
Line of credit facility, accordion feature, increase limit |  | $ 700,000,000 |  |  |  |  |  |  |
Initial Revolving Loans | Acquisition Corp. | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 0.75% |  |  |
Initial Revolving Loans | Acquisition Corp. | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 1.75% |  |  |
2020 Revolving Loans | Revolving Credit Facility | Eurodollar Applicable Margin Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate | 1.375% | 1.875% |  |  |  |  |  |  |
2020 Revolving Loans | Revolving Credit Facility | ABR Applicable Margin Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate | 0.375% | 0.875% |  |  |  |  |  |  |
2020 Revolving Loans | Acquisition Corp. | Revolving Credit Facility |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 0.875% |  |  |
Senior secured indebtedness to EBITDA ratio | 2.07 |  |  | 2.07 |  | 2.07 |  |  |
2020 Revolving Loans | Acquisition Corp. | Revolving Credit Facility | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 1.875% |  |  |
Senior Term Loan Facility -Tranche G | Acquisition Corp. | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 1.75% |  |  |
Senior Term Loan Facility -Tranche G | Acquisition Corp. | Federal Funds Effective Swap Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 0.50% |  |  |
Senior Term Loan Facility -Tranche G | Acquisition Corp. | Base Rate |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 1.00% |  |  |
Term loan base rate plus election rate | 1.00% |  |  | 1.00% |  | 1.00% |  |  |
Additional Interest rate on other overdue amounts |  |  |  |  |  | 2.00% |  |  |
Mortgage Term Loan due 2033 | Acquisition Corp. |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Total debt, including the current portion | $ 17,000,000 |  |  | $ 17,000,000 |  | $ 17,000,000 |  |  | $ 18,000,000
Mortgage Term Loan due 2033 | Acquisition Corp. | Secured Overnight Financing Rate (SOFR) |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  | 1.40% |  |  |  |  |  |
Asset-Based Class A Notes | Tempo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 3.53% |  |  |
Asset-Based Class B Notes | Tempo |  |  |  |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |  |  |  |
Debt instrument, marginal interest rate |  |  |  |  |  | 4.28% |  |  |

X
- Definition Investments in notes or bonds that are collateralized by a specific group of underlying assets owned by the issuer of the notes or bonds which are short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Generally, only investments with original maturities of three months or less qualify under that definition. Original maturity means original maturity to the entity holding the investment. For example, both a three-month US Treasury bill and a three-year Treasury note purchased three months from maturity qualify as cash equivalents. However, a Treasury note purchased three-years ago does not become a cash equivalent when its remaining maturity is three months. + References No definition available. + Details
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- Definition 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 + Details
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- Definition Line items represent financial concepts included in a table. 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