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Employee Benefit Plan Obligations Employee Benefit Plan Obligation (Tables) | 12 Months Ended
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Feb. 26, 2021
Defined Benefit Plan Disclosure [Line Items] |
Employee Benefit Plan Obligation Summary [Table Text Block] |
Employee Benefit Plan Obligations (net) | February 26, 2021 | February 28, 2020
Defined contribution retirement plans | $ | 12.1 |  |  | $ | 28.1 |  |
Post-retirement medical benefits | 42.7 |  |  | 44.3 |  |
Defined benefit pension plans | 62.5 |  |  | 61.8 |  |
Deferred compensation plans and agreements | 60.5 |  |  | 58.8 |  |
| $ | 177.8 |  |  | $ | 193.0 |  |
Employee benefit plan obligations |  |  |  |
Current portion | $ | 24.9 |  |  | $ | 44.7 |  |
Long-term portion | 152.9 |  |  | 148.3 |  |
| $ | 177.8 |  |  | $ | 193.0 |  |
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 26, 2021 |  |  | February 28, 2020
Qualified Plans | Non-qualified Supplemental Retirement Plans |  |  | Qualified Plans | Non-qualified Supplemental Retirement Plans
Foreign |  | Foreign
Plan assets | $ | 33.2 |  |  | $ | — |  |  |  |  | $ | 31.3 |  |  | $ | — |  |
Projected benefit plan obligations | 53.7 |  |  | 32.2 |  |  |  |  | 49.5 |  |  | 33.0 |  |
Funded status | $ | (20.5) |  |  | $ | (32.2) |  |  |  |  | $ | (18.2) |  |  | $ | (33.0) |  |
Current liability | $ | (0.3) |  |  | $ | (3.0) |  |  |  |  | $ | (0.1) |  |  | $ | (2.8) |  |
Long-term liability | (20.2) |  |  | (29.2) |  |  |  |  | (18.1) |  |  | (30.2) |  |
Total benefit plan obligations | $ | (20.5) |  |  | $ | (32.2) |  |  |  |  | $ | (18.2) |  |  | $ | (33.0) |  |
Accumulated benefit obligation | $ | 48.5 |  |  | $ | 32.1 |  |  |  |  | $ | 44.6 |  |  | $ | 32.9 |  |
Schedule of Changes in Fair Value of Plan Assets [Table Text Block] | The following tables summarizes our defined benefit pension and post-retirement plans:
| Defined Benefit Pension Plans | Post-Retirement Plans
February 26, 2021 | February 28, 2020 | February 26, 2021 | February 28, 2020
Change in plan assets: |  |  |  |  |  |  |  |
Fair value of plan assets, beginning of year | $ | 31.3 |  |  | $ | 30.0 |  |  | $ | — |  |  | $ | — |  |
Actual return on plan assets | (0.3) |  |  | 1.6 |  |  | — |  |  | — |  |
Employer contributions | 4.1 |  |  | 4.9 |  |  | 3.5 |  |  | 4.0 |  |
Plan participants’ contributions | — |  |  | — |  |  | 2.3 |  |  | 1.9 |  |
Currency changes | 2.9 |  |  | (0.3) |  |  | — |  |  | — |  |
Benefits paid | (4.8) |  |  | (4.9) |  |  | (5.8) |  |  | (5.9) |  |
Fair value of plan assets, end of year | 33.2 |  |  | 31.3 |  |  | — |  |  | — |  |
Schedule of Changes in Projected Benefit Obligations [Table Text Block] |
Change in benefit obligations: |  |  |  |  |  |  |  |
Benefit plan obligations, beginning of year | 82.5 |  |  | 76.2 |  |  | 44.3 |  |  | 40.7 |  |
Service cost | 1.9 |  |  | 1.8 |  |  | 0.1 |  |  | 0.1 |  |
Interest cost | 1.3 |  |  | 2.0 |  |  | 1.1 |  |  | 1.6 |  |
Amendments | 0.1 |  |  | — |  |  | — |  |  | — |  |
Net actuarial loss (1) | — |  |  | 8.2 |  |  | 0.5 |  |  | 5.9 |  |
Plan participants’ contributions | — |  |  | — |  |  | 2.3 |  |  | 1.9 |  |
Currency changes | 4.9 |  |  | (0.8) |  |  | 0.2 |  |  | — |  |
Benefits paid | (4.8) |  |  | (4.9) |  |  | (5.8) |  |  | (5.9) |  |
Benefit plan obligations, end of year | 85.9 |  |  | 82.5 |  |  | 42.7 |  |  | 44.3 |  |
Funded status | $ | (52.7) |  |  | $ | (51.2) |  |  | $ | (42.7) |  |  | $ | (44.3) |  |
Schedule of Amounts Recognized in Balance Sheet [Table Text Block] |
Amounts recognized on the Consolidated Balance Sheets: |  |  |  |  |  |  |  |
Current liability | $ | (3.3) |  |  | $ | (2.9) |  |  | $ | (3.6) |  |  | $ | (3.3) |  |
Long-term liability | (49.4) |  |  | (48.3) |  |  | (39.1) |  |  | (41.0) |  |
Net amount recognized | $ | (52.7) |  |  | $ | (51.2) |  |  | $ | (42.7) |  |  | $ | (44.3) |  |
Schedule of Changes in Accumulated Postemployment Benefit Obligations [Table Text Block] |
Amounts recognized in accumulated other comprehensive income (loss) —pretax: |  |  |  |  |  |  |  |
Actuarial loss (gain) | $ | 21.9 |  |  | $ | 20.3 |  |  | $ | (11.1) |  |  | $ | (13.6) |  |
Prior service cost | 0.9 |  |  | 0.7 |  |  | — |  |  | — |  |
Total amounts recognized in accumulated other comprehensive income (loss) —pretax | $ | 22.8 |  |  | $ | 21.0 |  |  | $ | (11.1) |  |  | $ | (13.6) |  |
Schedule of Net Benefit Costs [Table Text Block] |
| Pension Plans | Post-Retirement Plans
Year Ended | Year Ended
February 26, 2021 | February 28, 2020 | February 22, 2019 | February 26, 2021 | February 28, 2020 | February 22, 2019
Components of expense: |  |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 1.9 |  |  | $ | 1.8 |  |  | $ | 2.2 |  |  | $ | 0.1 |  |  | $ | 0.1 |  |  | $ | 0.1 |  |
Interest cost | 1.3 |  |  | 2.0 |  |  | 2.1 |  |  | 1.1 |  |  | 1.6 |  |  | 1.6 |  |
Amortization of net loss (gain) | 1.1 |  |  | 0.4 |  |  | 0.3 |  |  | (2.1) |  |  | (3.3) |  |  | (3.8) |  |
Amortization of prior year service credit | — |  |  | (0.1) |  |  | (0.2) |  |  | — |  |  | — |  |  | (2.2) |  |
Expected return on plan assets | (0.9) |  |  | (1.3) |  |  | (1.5) |  |  | — |  |  | — |  |  | — |  |
Net expense (credit) recognized in Consolidated Statements of Income | 3.4 |  |  | 2.8 |  |  | 2.9 |  |  | (0.9) |  |  | (1.6) |  |  | (4.3) |  |
Other changes in plan assets and benefit obligations recognized in other comprehensive income (pre-tax): |  |  |  |  |  |  |  |  |  |  |  |
Net actuarial loss (gain) | 1.2 |  |  | 7.9 |  |  | 1.0 |  |  | 0.5 |  |  | 5.9 |  |  | (0.8) |  |
Prior service cost | 0.1 |  |  | — |  |  | 1.0 |  |  | — |  |  | — |  |  | — |  |
Amortization of gain (loss) | (1.1) |  |  | (0.4) |  |  | (0.3) |  |  | 2.1 |  |  | 3.4 |  |  | 3.8 |  |
Amortization of prior year service credit | — |  |  | 0.1 |  |  | 0.2 |  |  | — |  |  | — |  |  | 2.2 |  |
Other | — |  |  | — |  |  | — |  |  | — |  |  | — |  |  | 0.1 |  |
Total recognized in other comprehensive income | 0.2 |  |  | 7.6 |  |  | 1.9 |  |  | 2.6 |  |  | 9.3 |  |  | 5.3 |  |
Total recognized in net periodic benefit cost and other comprehensive income (pre-tax) | $ | 3.6 |  |  | $ | 10.4 |  |  | $ | 4.8 |  |  | $ | 1.7 |  |  | $ | 7.7 |  |  | $ | 1.0 |  |
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 22, 2019 | $ | 9.5 |  |  | $ | 0.2 |  |  | $ | 9.7 |  |
Amortization of prior service cost (credit) included in net periodic pension cost | (0.1) |  |  | — |  |  | (0.1) |  |
Net prior service (cost) credit during period | (0.1) |  |  | — |  |  | (0.1) |  |
Net actuarial gain (loss) arising during period | (13.9) |  |  | 3.4 |  |  | (10.5) |  |
Amortization of net actuarial (gain) loss included in net periodic pension cost | (3.0) |  |  | 0.7 |  |  | (2.3) |  |
Net actuarial gain (loss) during period | (16.9) |  |  | 4.1 |  |  | (12.8) |  |
Foreign currency translation adjustments | 0.1 |  |  | — |  |  | 0.1 |  |
Current period change | (16.9) |  |  | 4.1 |  |  | (12.8) |  |
Balance as of February 28, 2020 | $ | (7.4) |  |  | $ | 4.3 |  |  | $ | (3.1) |  |
Prior service (cost) credit from plan amendment arising during period | (0.1) |  |  | — |  |  | (0.1) |  |
Net prior service (cost) credit during period | (0.1) |  |  | — |  |  | (0.1) |  |
Net actuarial gain (loss) arising during period | (1.7) |  |  | 0.3 |  |  | (1.4) |  |
Amortization of net actuarial (gain) loss included in net periodic pension cost | (1.1) |  |  | 0.3 |  |  | (0.8) |  |
Net actuarial gain (loss) during period | (2.8) |  |  | 0.6 |  |  | (2.2) |  |
Foreign currency translation adjustments | (1.4) |  |  | 0.2 |  |  | (1.2) |  |
Current period change | (4.3) |  |  | 0.8 |  |  | (3.5) |  |
Balance as of February 26, 2021 | $ | (11.7) |  |  | $ | 5.1 |  |  | $ | (6.6) |  |
Defined Benefit Plan, Assumptions [Table Text Block] |
Weighted-Average Assumptions | Pension Plans | Post-Retirement Plans
Year Ended | Year Ended
February 26, 2021 | February 28, 2020 | February 22, 2019 | February 26, 2021 | February 28, 2020 | February 22, 2019
Weighted-average assumptions used to determine benefit obligations: |  |  |  |  |  |  |  |  |  |  |  |
Discount rate | 1.70 | % |  | 1.70 | % |  | 2.90 | % |  | 2.58 | % |  | 2.58 | % |  | 4.08 | % |
Rate of salary progression | 3.50 | % |  | 3.50 | % |  | 3.60 | % |  |  |  |  |  |  |
Weighted-average assumptions used to determine net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |
Discount rate | 1.70 | % |  | 2.70 | % |  | 2.90 | % |  | 2.56 | % |  | 4.06 | % |  | 3.95 | % |
Expected return on plan assets | 3.00 | % |  | 3.00 | % |  | 4.60 | % |  |  |  |  |  |  |
Rate of salary progression | 3.40 | % |  | 3.50 | % |  | 3.40 | % |  |  |  |  |  |  |
Schedule of Effect of One-Percentage-Point Change in Assumed Health Care Cost Trend Rates [Table Text Block] |
Schedule of Allocation of Plan Assets [Table Text Block] |
Asset Category | February 26, 2021 | February 28, 2020
Actual Allocations | Target Allocations | Actual Allocations | Target Allocations
Equity securities | 70 | % |  | 40 | % |  | 60 | % |  | 40 | % |
Debt securities | 25 |  |  | 30 |  |  | 35 |  |  | 30 |  |
Real estate | 4 |  |  | — |  |  | 4 |  |  | — |  |
Other (1) | 1 |  |  | 30 |  |  | 1 |  |  | 30 |  |
Total | 100 | % |  | 100 | % |  | 100 | % |  | 100 | % |
________________________ (1)Primarily represents money market funds. The fair value of the pension plan assets as of February 26, 2021 and February 28, 2020, by asset category are as follows:
Fair Value of Pension Plan Assets | February 26, 2021
Level 1 | Level 2 | Level 3 | Total
Cash and cash equivalents | $ | 0.2 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.2 |  |
Equity securities - International | — |  |  | 23.5 |  |  | — |  |  | 23.5 |  |
Fixed income securities - Bond funds | — |  |  | 8.3 |  |  | — |  |  | 8.3 |  |
Other investments - Property and property funds | — |  |  | 1.2 |  |  | — |  |  | 1.2 |  |
| $ | 0.2 |  |  | $ | 33.0 |  |  | $ | — |  |  | $ | 33.2 |  |
Fair Value of Pension Plan Assets | February 28, 2020
Level 1 | Level 2 | Level 3 | Total
Cash and cash equivalents | $ | 0.2 |  |  | $ | — |  |  | $ | — |  |  | $ | 0.2 |  |
Equity securities - International | — |  |  | 18.9 |  |  | — |  |  | 18.9 |  |
Fixed income securities - Bond funds | — |  |  | 11.1 |  |  | — |  |  | 11.1 |  |
Other investments - Property and property funds | — |  |  | 1.1 |  |  | — |  |  | 1.1 |  |
| $ | 0.2 |  |  | $ | 31.1 |  |  | $ | — |  |  | $ | 31.3 |  |
There were no transfers between Level 1 and Level 2 of the fair value hierarchy for any periods presented.
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
2022 | $ | 4.2 |  |  | $ | 3.6 |  |
2023 | 4.8 |  |  | 3.5 |  |
2024 | 4.9 |  |  | 3.4 |  |
2025 | 4.4 |  |  | 3.3 |  |
2026 | 5.2 |  |  | 3.2 |  |
2027 - 2031 | 21.7 |  |  | 13.8 |  |

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