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Compensation Related Costs, Retirement Benefits (Tables) | 12 Months Ended
--- | ---
Feb. 23, 2024 | Feb. 24, 2023
Retirement Benefits [Abstract] |  |
Employee Benefit Plan Obligation Summary [Table Text Block] |
Employee Benefit Plan Obligations (net) | February 23, 2024 | February 24, 2023
Defined contribution retirement plans | $ | 27.1 |  |  | $ | 17.0 |  |
Post-retirement medical benefits | 27.2 |  |  | 27.5 |  |
Defined benefit pension plans | 38.9 |  |  | 41.1 |  |
Deferred compensation plans and agreements | 49.7 |  |  | 46.3 |  |
| $ | 142.9 |  |  | $ | 131.9 |  |
Employee benefit plan assets |  |  |  |
Long-term asset | $ | 1.5 |  |  | $ | 2.3 |  |
| $ | 1.5 |  |  | $ | 2.3 |  |
Employee benefit plan obligations |  |  |  |
Current portion | $ | 39.9 |  |  | $ | 31.2 |  |
Long-term portion | 104.5 |  |  | 103.0 |  |
| $ | 144.4 |  |  | $ | 134.2 |  |
Schedule of Accumulated and Projected Benefit Obligations [Table Text Block] | The funded status of our defined benefit pension plans (excluding our investments in COLI policies) is as follows:
Defined Benefit Pension Plan Obligations | February 23, 2024 | February 24, 2023
Qualified Plans | Non-qualified Supplemental Retirement Plans | Qualified Plans | Non-qualified Supplemental Retirement Plans
Foreign | Foreign
Plan assets | $ | 22.8 |  |  | $ | — |  |  | $ | 22.4 |  |  | $ | — |  |
Projected benefit plan obligations | 30.7 |  |  | 21.8 |  |  | 30.2 |  |  | 23.7 |  |
Funded status | $ | (7.9) |  |  | $ | (21.8) |  |  | $ | (7.8) |  |  | $ | (23.7) |  |
Long-term asset | 1.5 |  |  | — |  |  | 2.3 |  |  | — |  |
Current liability | (0.3) |  |  | (3.3) |  |  | (0.8) |  |  | (3.6) |  |
Long-term liability | (9.1) |  |  | (18.5) |  |  | (9.3) |  |  | (20.1) |  |
Total benefit plan obligations | $ | (7.9) |  |  | $ | (21.8) |  |  | $ | (7.8) |  |  | $ | (23.7) |  |
Accumulated benefit obligation | $ | 28.1 |  |  | $ | 21.8 |  |  | $ | 27.6 |  |  | $ | 23.7 |  |
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] | The following tables summarize our defined benefit pension and post-retirement plans:
| Defined Benefit Pension Plans | Post-Retirement Plans
February 23, 2024 | February 24, 2023 | February 23, 2024 | February 24, 2023
Change in plan assets: |  |  |  |  |  |  |  |
Fair value of plan assets, beginning of year | $ | 22.4 |  |  | $ | 35.2 |  |  | $ | — |  |  | $ | — |  |
Actual return on plan assets | 0.7 |  |  | (12.1) |  |  | — |  |  | — |  |
Employer contributions | 4.5 |  |  | 8.0 |  |  | 2.9 |  |  | 2.6 |  |
Plan participants’ contributions | — |  |  | — |  |  | 1.9 |  |  | 2.1 |  |
Currency changes | 1.1 |  |  | (3.5) |  |  | — |  |  | — |  |
Benefits paid | (5.9) |  |  | (5.2) |  |  | (4.8) |  |  | (4.7) |  |
Fair value of plan assets, end of year | 22.8 |  |  | 22.4 |  |  | — |  |  | — |  |
Schedule of Changes in Projected Benefit Obligations [Table Text Block] |
Change in benefit obligations: |  |  |  |  |  |  |  |
Benefit plan obligations, beginning of year | 53.9 |  |  | 73.7 |  |  | 27.5 |  |  | 34.1 |  |
Service cost | 0.6 |  |  | 0.7 |  |  | 0.1 |  |  | 0.1 |  |
Interest cost | 2.4 |  |  | 1.6 |  |  | 1.4 |  |  | 1.1 |  |
Amendments | — |  |  | 0.5 |  |  | — |  |  | — |  |
Net actuarial loss (gain) (1) | 0.2 |  |  | (13.5) |  |  | 1.2 |  |  | (5.1) |  |
Plan participants’ contributions | — |  |  | — |  |  | 1.9 |  |  | 2.1 |  |
Curtailments | (0.3) |  |  | — |  |  | — |  |  | — |  |
Settlements | (0.4) |  |  | — |  |  | — |  |  | — |  |
Currency changes | 1.3 |  |  | (3.9) |  |  | (0.1) |  |  | (0.1) |  |
Special Termination Benefits | 0.3 |  |  | — |  |  | — |  |  | — |  |
Benefits paid | (5.5) |  |  | (5.2) |  |  | (4.8) |  |  | (4.7) |  |
Benefit plan obligations, end of year | 52.5 |  |  | 53.9 |  |  | 27.2 |  |  | 27.5 |  |
Funded status | $ | (29.7) |  |  | $ | (31.5) |  |  | $ | (27.2) |  |  | $ | (27.5) |  |
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
Amounts recognized on the Consolidated Balance Sheets: |  |  |  |  |  |  |  |
Long-term asset | 1.5 |  |  | 2.3 |  |  | — |  |  | — |  |
Current liability | (3.6) |  |  | (4.4) |  |  | (3.5) |  |  | (2.8) |  |
Long-term liability | (27.6) |  |  | (29.4) |  |  | (23.7) |  |  | (24.7) |  |
Net amount recognized | $ | (29.7) |  |  | $ | (31.5) |  |  | $ | (27.2) |  |  | $ | (27.5) |  |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
Amounts recognized in accumulated other comprehensive income (loss) —pretax: |  |  |  |  |  |  |  |
Actuarial loss (gain) | $ | 9.1 |  |  | $ | 8.7 |  |  | $ | (14.6) |  |  | $ | (18.3) |  |
Prior service cost | 0.9 |  |  | 0.5 |  |  | — |  |  | — |  |
Total amounts recognized in accumulated other comprehensive income (loss) —pretax | $ | 10.0 |  |  | $ | 9.2 |  |  | $ | (14.6) |  |  | $ | (18.3) |  |
Schedule of Net Benefit Costs [Table Text Block] |
| Pension Plans | Post-Retirement Plans
Year Ended | Year Ended
February 23, 2024 | February 24, 2023 | February 25, 2022 | February 23, 2024 | February 24, 2023 | February 25, 2022
Components of expense: |  |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 0.6 |  |  | $ | 0.7 |  |  | $ | 1.4 |  |  | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.1 |  |
Interest cost | 2.4 |  |  | 1.6 |  |  | 1.3 |  |  | 1.4 |  |  | 1.1 |  |  | 1.0 |  |
Amortization of net loss (gain) | 0.2 |  |  | 0.2 |  |  | 1.2 |  |  | (2.5) |  |  | (1.8) |  |  | (1.4) |  |
Amortization of prior year service cost (credit) | — |  |  | 0.5 |  |  | (0.1) |  |  | — |  |  | — |  |  | — |  |
Expected return on plan assets | (0.9) |  |  | (0.4) |  |  | (1.2) |  |  | — |  |  | — |  |  | — |  |
Effect of curtailments | (0.3) |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |
Effect of special termination benefits | 0.3 |  |  | — |  |  | — |  |  | — |  |  | — |  |  | — |  |
Net expense (credit) recognized in Consolidated Statements of Income | 2.3 |  |  | 2.6 |  |  | 2.6 |  |  | (1.0) |  |  | (0.6) |  |  | (0.3) |  |
Other changes in plan assets and benefit obligations recognized in other comprehensive income (loss) (pre-tax): |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) | 0.4 |  |  | (1.0) |  |  | (9.7) |  |  | 1.2 |  |  | (5.1) |  |  | (5.4) |  |
Prior service cost | — |  |  | 0.5 |  |  | — |  |  | — |  |  | — |  |  | — |  |
Amortization of gain (loss) | (0.2) |  |  | (0.2) |  |  | (1.2) |  |  | 2.5 |  |  | 1.8 |  |  | 1.4 |  |
Amortization of prior year service cost (credit) | — |  |  | (0.5) |  |  | 0.1 |  |  | — |  |  | — |  |  | — |  |
Total recognized in other comprehensive income (loss) | 0.2 |  |  | (1.2) |  |  | (10.8) |  |  | 3.7 |  |  | (3.3) |  |  | (4.0) |  |
Total recognized in net periodic benefit cost and other comprehensive income (loss) -- pre-tax | $ | 2.5 |  |  | $ | 1.4 |  |  | $ | (8.2) |  |  | $ | 2.7 |  |  | $ | (3.9) |  |  | $ | (4.3) |  |
Pension and Other Post-Retirement Liability Adjustments [Table Text Block] |
Pension and Other Post-Retirement Accumulated Other Comprehensive Income (Loss) Changes | Before Tax Amount | Tax (Expense) Benefit | Net of Tax Amount
Balance as of February 25, 2022 | $ | 3.6 |  |  | $ | 1.6 |  |  | $ | 5.2 |  |
Prior service (cost) credit from plan amendment arising during period | (0.5) |  |  | 0.1 |  |  | (0.4) |  |
Amortization of prior service cost (credit) included in net periodic pension cost | 0.5 |  |  | (0.1) |  |  | 0.4 |  |
Net prior service (cost) credit during period | — |  |  | — |  |  | — |  |
Net actuarial gain (loss) arising during period | 6.1 |  |  | (1.6) |  |  | 4.5 |  |
Amortization of net actuarial (gain) loss included in net periodic pension cost | (1.6) |  |  | 0.4 |  |  | (1.2) |  |
Net actuarial gain (loss) during period | 4.5 |  |  | (1.2) |  |  | 3.3 |  |
Foreign currency translation adjustments | 1.0 |  |  | (0.2) |  |  | 0.8 |  |
Current period change | 5.5 |  |  | (1.4) |  |  | 4.1 |  |
Balance as of February 24, 2023 | $ | 9.1 |  |  | $ | 0.2 |  |  | $ | 9.3 |  |
Net actuarial gain (loss) arising during period | (1.6) |  |  | 0.4 |  |  | (1.2) |  |
Amortization of net actuarial (gain) loss included in net periodic pension cost | (2.3) |  |  | 0.6 |  |  | (1.7) |  |
Net actuarial gain (loss) during period | (3.9) |  |  | 1.0 |  |  | (2.9) |  |
Foreign currency translation adjustments | (0.6) |  |  | 0.1 |  |  | (0.5) |  |
Current period change | (4.5) |  |  | 1.1 |  |  | (3.4) |  |
Balance as of February 23, 2024 | $ | 4.6 |  |  | $ | 1.3 |  |  | $ | 5.9 |  |
Defined Benefit Plan, Assumptions [Table Text Block] |
Weighted-Average Assumptions | Pension Plans | Post-Retirement Plans
Year Ended | Year Ended
February 23, 2024 | February 24, 2023 | February 25, 2022 | February 23, 2024 | February 24, 2023 | February 25, 2022
Weighted-average assumptions used to determine benefit obligations: |  |  |  |  |  |  |  |  |  |  |  |
Discount rate | 4.80 | % |  | 4.80 | % |  | 2.50 | % |  | 5.46 | % |  | 5.47 | % |  | 3.38 | % |
Rate of salary progression | 0.50 | % |  | 0.60 | % |  | 2.50 | % |  |  |  |  |  |  |
Weighted-average assumptions used to determine net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Discount rate | 4.80 | % |  | 2.50 | % |  | 1.70 | % |  | 5.47 | % |  | 3.38 | % |  | 2.58 | % |
Expected return on plan assets | 4.20 | % |  | 1.40 | % |  | 3.70 | % |  |  |  |  |  |  |
Rate of salary progression | 0.60 | % |  | 2.50 | % |  | 3.50 | % |  |  |  |  |  |  |
Schedule of Allocation of Plan Assets [Table Text Block] | Our pension plans’ weighted-average investment allocation strategies and weighted-average target asset allocations by asset category as of February 23, 2024 and February 24, 2023 are reflected in the following table.
Asset Category | February 23, 2024 | February 24, 2023
Actual Allocations | Target Allocations | Actual Allocations | Target Allocations
Buy-in contract | 99 | % |  | 100 | % |  | 98 | % |  | 100 | % |
Other (1) | 1 |  |  | — |  |  | 2 |  |  | — |  |
Total | 100 | % |  | 100 | % |  | 100 | % |  | 100 | % |
________________________ (1)Represents cash and cash equivalents in 2024 and 2023. |
Defined Benefit Plan, Plan Assets, Category | The fair value of the pension plan assets as of February 23, 2024 and February 24, 2023, by asset category are as follows:
Fair Value of Pension Plan Assets | February 23, 2024
Level 1 | Level 2 | Level 3 | Total
Cash and cash equivalents | $ | 0.3 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.3 |  |
Buy-in contract | — |  |  | — |  |  | 22.5 |  |  | 22.5 |  |
| $ | 0.3 |  |  | $ | — |  |  | $ | 22.5 |  |  | $ | 22.8 |  |
Fair Value of Pension Plan Assets | February 24, 2023
Level 1 | Level 2 | Level 3 | Total
Cash and cash equivalents | $ | 0.5 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.5 |  |
Buy-in contract | — |  |  | — |  |  | 21.9 |  |  | 21.9 |  |
| $ | 0.5 |  |  | $ | — |  |  | $ | 21.9 |  |  | $ | 22.4 |  |
Schedule of Effect of Significant Unobservable Inputs, Changes in Plan Assets [Table Text Block] | Below is a roll-forward of the pension plan assets measured at estimated fair value using Level 3 inputs during 2024 and 2023:
Roll-Forward of Fair Value Using Level 3 Inputs | Pension Plan Assets
Balance as of February 25, 2022 | $ | — |  |
Initial Buy-in Premium | 24.2 |  |
Other contributions | 1.4 |  |
Change in estimated fair value | (3.7) |  |
Balance as of February 24, 2023 | $ | 21.9 |  |
Change in estimated fair value | (0.5) |  |
Foreign currency gain | 1.1 |  |
Balance as of February 23, 2024 | $ | 22.5 |  |
Schedule of Expected Benefit Payments [Table Text Block] | The estimated future benefit payments under our pension and post-retirement plans are as follows:
Fiscal Year Ending in February | Pension Plans | Post-retirement Plans
2025 | $ | 4.7 |  |  | $ | 3.6 |  |
2026 | 5.1 |  |  | 2.7 |  |
2027 | 4.5 |  |  | 2.6 |  |
2028 | 4.2 |  |  | 2.5 |  |
2029 | 4.0 |  |  | 2.4 |  |
2030 - 2034 | 17.7 |  |  | 10.6 |  |

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