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RETIREMENT PLANS
 12 Months Ended
Sep. 30, 2025
Retirement Benefits [Abstract]  
RETIREMENT PLANS RETIREMENT PLANS
The Company sponsors a defined contribution 401(k) plan for substantially all U.S. associates. The Company matches 200% of associates’ initial 3% contribution and 50% of their remaining contribution up to 6%. The Company may make additional discretionary profit sharing matching contributions to eligible associates on their initial 4% contribution. The Company recorded expenses of $24.5, $23.7 and $24.1 associated with the plan in fiscal 2025, fiscal 2024 and fiscal 2023, respectively.
The Company sponsors two defined benefit pension plans for certain U.S. associates and three defined benefit pension plans associated with the former businesses in the United Kingdom and Germany. Benefits under these plans have been frozen and closed to new associates since 1997 for the U.S. plans, 2010 for the United Kingdom plans and 2017 for the Germany plan. The benefits under the plans are based on years of service and compensation levels. The Company’s funding policy for the defined benefit pension plans, consistent with statutory requirements and tax considerations, is based on actuarial computations using the Projected Unit Credit method.
During fiscal 2023 and 2021, the defined benefit pension plans associated with the former business in the United Kingdom entered into buy-in insurance policies in exchange for premium payments of $76.3 and $67.7, respectively, which are subject to adjustment as a result of subsequent data cleansing activities. Under the terms of these buy-in insurance policies, the respective insurers are liable to pay the benefits to the plans, but the plans still retain full legal responsibility to pay benefits to plan participants using the insurance payments. The buy-in policies will be treated as assets of the plans going forward until such time as the buy-in policies are converted to buy-out policies, which is when individual insurance policies will be assigned to each plan participant and the plans will no longer have legal responsibility to pay the benefits to the plan participants.
The following tables present information about benefit obligations, plan assets, annual expense, assumptions and other information about the Company’s defined benefit pension plans. The defined benefit pension plans are valued using a September 30 measurement date.
 
U.S.
Defined Benefit
Pension Plans		International
Defined Benefit
Pension Plans
 2025202420252024
Change in projected benefit obligation:
Benefit obligation at beginning of year$74.2 $71.8 $123.2 $108.5 
Interest cost3.1 3.7 5.5 5.9 
Actuarial (gain) loss(1.7)5.5 (7.7)5.1 
Benefits paid(6.7)(6.8)(7.1)(6.6)
Foreign currency translation— — 0.9 10.3 
Projected benefit obligation (“PBO”) at end of year$68.9 $74.2 $114.8 $123.2 
Accumulated benefit obligation (“ABO”) at end of year$68.9 $74.2 $114.8 $123.2 
Change in plan assets:
Fair value of plan assets at beginning of year$57.3 $54.1 $141.4 $124.8 
Actual return on plan assets0.6 7.1 (8.5)10.0 
Employer contribution8.2 2.9 0.9 0.9 
Benefits paid(6.7)(6.8)(7.1)(6.6)
Foreign currency translation— — 0.3 12.3 
Fair value of plan assets at end of year$59.4 $57.3 $127.0 $141.4 
Overfunded (underfunded) status at end of year $(9.5)$(16.9)$12.2 $18.2 
 
U.S.
Defined Benefit
Pension Plans		International
Defined Benefit
Pension Plans
 2025202420252024
Information for pension plans with an ABO in excess of plan assets:
Accumulated benefit obligation$68.9 $74.2 $11.5 $12.0 
Fair value of plan assets59.4 57.3 — — 
Information for pension plans with a PBO in excess of plan assets:
Projected benefit obligation$68.9 $74.2 $11.5 $12.0 
Fair value of plan assets59.4 57.3 — — 
Amounts recognized in the Consolidated Balance Sheets consist of:
Non-current assets$— $— $23.8 $30.2 
Current liabilities(0.2)(0.2)(1.0)(0.9)
Non-current liabilities(9.3)(16.7)(10.6)(11.1)
Total amount accrued$(9.5)$(16.9)$12.2 $18.2 
Amounts recognized in AOCL consist of:
Actuarial loss$32.4 $34.1 $68.8 $64.1 
Prior service cost— — 2.2 2.3 
Total amount recognized$32.4 $34.1 $71.0 $66.4 
 U.S.
Defined Benefit
Pension Plans		International
Defined Benefit
Pension Plans
 2025202420252024
Total change in other comprehensive loss attributable to:
Net loss during the period$— $(0.5)$(6.5)$(0.7)
Reclassification to net earnings1.7 1.7 2.5 2.3 
Foreign currency translation— — (0.6)(5.9)
Total change in other comprehensive loss$1.7 $1.2 $(4.6)$(4.3)
Weighted average assumptions used in development of projected benefit obligation:
Discount rate4.94 %4.62 %5.50 %4.86 %
 
 U.S.
Defined Benefit
Pension Plans		International
Defined Benefit
Pension Plans
 202520242023202520242023
Components of net periodic benefit cost:
Interest cost$3.1 $3.7 $3.6 $5.5 $5.9 $6.2 
Expected return on plan assets(2.3)(2.2)(2.5)(5.8)(5.7)(5.5)
Net amortization1.7 1.7 1.8 2.5 2.3 2.0 
Net periodic benefit cost$2.5 $3.2 $2.9 $2.2 $2.5 $2.7 
Weighted average assumptions used in development of net periodic benefit cost:
Weighted average discount rate - interest cost4.37 %5.46 %4.87 %4.70 %5.38 %5.29 %
Expected return on plan assets4.25 %4.25 %4.50 %4.25 %4.42 %3.91 %
Investment Strategy
Target allocation percentages among various asset classes are maintained based on an individual investment policy established for each of the various pension plans. Asset allocations are designed to achieve long-term objectives of return while mitigating against downside risk considering expected cash requirements necessary to fund benefit payments. However, the Company cannot predict future investment returns and therefore cannot determine whether future pension plan funding requirements could materially and adversely affect its financial condition, results of operations or cash flows.
Basis for Long-Term Rate of Return on Asset Assumptions
The Company’s expected long-term rate of return on asset assumptions are derived from studies conducted by third parties. The studies include a review of anticipated future long-term performance of individual asset classes and consideration of the appropriate asset allocation strategy given the anticipated requirements of the plans to determine the average rate of earnings expected. While the studies give appropriate consideration to recent fund performance and historical returns, the assumptions primarily represent expectations about future rates of return over the long term.
U.S.
Defined Benefit
Pension Plans		International
Defined Benefit
Pension Plans
Other information:
Plan asset allocations:
Target for September 30, 2026:
Equity securities17 %— %
Debt securities78 %— %
Real estate securities3 %— %
Cash and cash equivalents2 %15 %
Insurance contracts— %85 %
September 30, 2025
Equity securities17 %— %
Debt securities69 %— %
Real estate securities3 %— %
Cash and cash equivalents11 %15 %
Insurance contracts— %85 %
September 30, 2024
Equity securities19 %— %
Debt securities74 %— %
Real estate securities2 %— %
Cash and cash equivalents5 %15 %
Insurance contracts— %85 %
Expected company contributions in fiscal 2026$2.6 $1.0 
Expected future benefit payments:
2026$7.3 $7.6 
20276.8 7.6 
20286.6 7.7 
20296.4 8.0 
20306.2 8.2 
2031 – 203527.0 41.1 
The following tables set forth the fair value of the Company’s pension plan assets, segregated by level within the fair value hierarchy:
Fair Value Hierarchy LevelU.S.
Defined Benefit
Pension Plans		International
Defined Benefit
Pension Plans
2025202420252024
Cash and cash equivalentsLevel 1$6.5 $2.6 $19.0 $21.9 
Insurance contractsLevel 3— — 108.0 119.5 
Total assets in the fair value hierarchy$6.5 $2.6 $127.0 $141.4 
Common collective trusts measured at net asset value
Real estate$1.6 $1.4 $— $— 
Equities10.1 10.9 — — 
Fixed income41.2 42.4 — — 
Total common collective trusts measured at net asset value52.9 54.7 — — 
Total assets at fair value$59.4 $57.3 $127.0 $141.4 
The carrying value of cash equivalents approximated their aggregate fair value as of September 30, 2025 and 2024. The valuation of the buy-in insurance policies was calculated on an insurer pricing basis updated for changes in market implied insurance pricing, market rates and inflation, and was estimated using unobservable inputs. Common collective trusts are not publicly traded and were valued at a net asset value unit price determined by the portfolio’s sponsor based on the fair value of underlying assets held by the common collective trust on September 30, 2025 and 2024. The common collective trusts hold underlying investments that have prices derived from quoted prices in active markets. The underlying assets are principally marketable equity and fixed income securities.