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ASSOCIATE MEDICAL BENEFITS - Retiree Medical Plan for Domestic Associates (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Amounts recognized in the Consolidated Balance Sheets consist of: |  |
Non-current liabilities | $ (73.0) | $ (76.7)
Postretirement Medical Benefits | U.S. Plan |  |
Change in projected benefit obligation: |  |
Benefit obligation at beginning of year | 13.3 | 15.7
Service cost | 0.1 | 0.1
Interest cost | 0.8 | 0.8
Plan participants’ contributions | 0.3 | 0.4
Actuarial (gain) loss | 1.5 | (2.2)
Benefits paid | (2.2) | (1.5)
Projected benefit obligation (“PBO”) at end of year | 13.8 | 13.3
Change in plan assets: |  |
Fair value of plan assets at beginning of year | 0.0 | 0.0
Employer contribution | 1.9 | 1.1
Plan participants’ contributions | 0.3 | 0.4
Gross benefits paid | (2.2) | (1.5)
Fair value of plan assets at end of year | 0.0 | 0.0
Overfunded (underfunded) status at end of year | (13.8) | (13.3)
Amounts recognized in the Consolidated Balance Sheets consist of: |  |
Current liabilities | (1.3) | (1.4)
Non-current liabilities | (12.5) | (11.9)
Total amount accrued | (13.8) | (13.3)
Amounts recognized in AOCL consist of: |  |
Actuarial gain | (1.3) | (3.4)
Total amount recognized | (1.3) | (3.4)
Total change in other comprehensive income attributable to: |  |
Gain (loss) during the period | (1.5) | 2.2
Reclassification to net earnings | (0.6) | (0.2)
Total change in other comprehensive income | $ (2.1) | $ 2.0
Discount rate used in development of APBO | 4.86% | 5.98%

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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 (j) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (k) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 220 -SubTopic 10 -Name Accounting Standards Codification -Section 45 -Paragraph 10A -Subparagraph (i) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482790/220-10-45-10A Reference 5: 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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