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ASSOCIATE MEDICAL BENEFITS - Retiree Medical Plan for Domestic Associates (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2023 | Sep. 30, 2022
Amounts recognized in the Consolidated Balance Sheets consist of: |  |
Non-current liabilities | $ (76.7) | $ (82.1)
Postretirement Medical Benefits | U.S. Plan |  |
Change in projected benefit obligation: |  |
Benefit obligation at beginning of year | 15.7 | 20.1
Service cost | 0.1 | 0.2
Interest cost | 0.8 | 0.5
Plan participants’ contributions | 0.4 | 0.4
Actuarial gain | (2.2) | (4.0)
Curtailment loss | 0.0 | 0.6
Benefits paid | (1.5) | (2.1)
Projected benefit obligation (“PBO”) at end of year | 13.3 | 15.7
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 0.0 | 0.0
Employer contribution | 1.1 | 1.7
Plan participants’ contributions | 0.4 | 0.4
Gross benefits paid | (1.5) | (2.1)
Fair value of plan assets at end of year | 0.0 | 0.0
Unfunded status at end of year | (13.3) | (15.7)
Amounts recognized in the Consolidated Balance Sheets consist of: |  |
Current liabilities | (1.4) | (1.6)
Non-current liabilities | (11.9) | (14.1)
Total amount accrued | (13.3) | (15.7)
Amounts recognized in AOCL consist of: |  |
Actuarial loss | (3.4) | (1.2)
Prior service credit | 0.0 | (0.2)
Total amount recognized | (3.4) | (1.4)
Total change in other comprehensive loss attributable to: |  |
Gain during the period | 2.2 | 3.4
Reclassification to net earnings | (0.2) | (0.9)
Total change in other comprehensive loss | $ 2.0 | $ 2.5
Discount rate used in development of APBO | 5.98% | 5.60%

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- Definition The amount of payments made for which participants are entitled under a pension plan, including pension benefits, death benefits, and benefits due on termination of employment. Also includes payments made under a postretirement benefit plan, including prescription drug benefits, health care benefits, life insurance benefits, and legal, educational and advisory services. This item represents a periodic decrease to the plan obligations and a decrease to plan assets included in the rollforward of benefit obligation. + References No definition available. + Details
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- Definition Amount, before tax, of accumulated other comprehensive (income) loss for defined benefit plan, that has not been recognized in net periodic benefit cost (credit). + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section 45 -Paragraph 14A -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-14A Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (i-k) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482790/220-10-45-10A Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (j) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480506/715-20-50-1 + Details
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