Employee Benefit Plan Obligations (Details) - USD ($) $ in Millions | 12 Months Ended |
Feb. 22, 2019 | Feb. 23, 2018 | Feb. 24, 2017 |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Contribution Obligation | $ 25 | $ 23.9 | |
Deferred Compensation Liability, Current and Noncurrent | 55.7 | 55.2 | |
Employee Benefit Plan Obligations, Total | 178.7 | 169.5 | |
Defined Benefit Plan, Assets for Plan Benefits | 0 | 0.5 | |
Employee benefit plan obligations | 37.1 | 39.2 | |
Liability, Defined Benefit Plan, Noncurrent | (141.6) | (130.8) | |
Liability, Defined Benefit Plan | 178.7 | 170 | |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 33.1 | | |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 5.1 | | |
Defined Benefit Plan, Fair Value of Plan Assets | 30 | 33.1 | |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | (9.5) | (16.1) | $ (15) |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Gain (Loss), before Tax | (3.7) | 9.4 | |
Pension and other post-retirement liability adjustments | (6.6) | 1.1 | 4.7 |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax | (1) | | |
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax | (3.5) | (3.2) | |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Costs Arising During Period, Net of Tax | (0.8) | | |
Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components | 0 | | |
Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components | 0 | | |
Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation | 0.2 | | |
Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation | (0.2) | | |
Other Postretirement Benefit Plans, Defined Benefit [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year | 3.4 | 3.8 | |
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment | 0 | 0 | |
Defined Benefit Plan, Plan Assets, Administration Expense | 0 | 0 | |
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position | 40.7 | 43.4 | |
Employee benefit plan obligations | 3.4 | 3.5 | |
Liability, Defined Benefit Plan, Noncurrent | (37.3) | (39.9) | |
Liability, Defined Benefit Plan | 40.7 | 43.4 | |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) | 0 | 0 | |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 3.6 | 3.4 | |
Defined Benefit Plan, Contributions by Plan Participants (Deprecated 2017-01-31) | 1.9 | 1.9 | |
Defined Benefit Plan, Gross Prescription Drug Subsidy Receipts Received (Deprecated 2017-01-31) | 0 | 0.1 | |
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) | 0 | 0 | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | 0 |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | |
Defined Benefit Plan, Benefit Obligation | 43.4 | 46 | |
Defined Benefit Plan, Service Cost | 0.1 | 0.2 | 0.5 |
Defined Benefit Plan, Interest Cost | 1.6 | 1.7 | 2.8 |
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment | 0 | 0 | |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | (0.8) | (1.2) | |
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) | 0 | 0.1 | |
Defined Benefit Plan, Benefits Paid from both Plan Assets and Company Assets | (5.5) | (5.4) | |
Defined Benefit Plan, Benefit Obligation | 40.7 | 43.4 | 46 |
Defined Benefit Plan, Funded (Unfunded) Status of Plan | (40.7) | (43.4) | |
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax | (22.9) | (26) | |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | (22.9) | (28.3) | |
Defined Benefit Plan, Amortization of Gain (Loss) | (3.8) | (3.7) | (0.8) |
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | (2.2) | (7) | (8.6) |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | 0 | 0 | 0 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement | 0 | 0 | 0 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | (4.3) | (8.8) | (6.1) |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Gain (Loss), before Tax | (0.8) | (1.2) | (18.3) |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Prior Service Cost, before Tax | 0 | (2.3) | |
Pension and other post-retirement liability adjustments | (5.3) | (9.5) | 8.9 |
Total recognized in net periodic benefit cost and other comprehensive income (loss) before tax | 1 | 0.7 | (15) |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax | (3.8) | (3.7) | (0.8) |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Costs Arising During Period, Net of Tax | 2.2 | 7 | 8.6 |
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation | 0 | 0 | 0 |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Other Changes, before Tax | $ 0.1 | $ 0 | $ 0 |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 4.08% | 3.97% | 3.86% |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate | 3.95% | 3.84% | 4.29% |
Pension Plans, Defined Benefit [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Expected Amortization of Gain (Loss), Next Fiscal Year | $ (0.4) | $ (0.3) | |
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment | 0 | (0.1) | |
Defined Benefit Plan, Plan Assets, Administration Expense | 0 | (0.2) | |
Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position | 57.3 | 47 | |
Employee benefit plan obligations | 4.2 | 3.9 | |
Liability, Defined Benefit Plan, Noncurrent | (42) | (43.6) | |
Liability, Defined Benefit Plan | 46.2 | 47 | |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 33.1 | 46.7 | |
Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) | 0.3 | 2.4 | |
Defined Benefit Plan, Plan Assets, Contributions by Employer | 4.3 | 4.5 | |
Defined Benefit Plan, Contributions by Plan Participants (Deprecated 2017-01-31) | 0 | 0 | |
Defined Benefit Plan, Gross Prescription Drug Subsidy Receipts Received (Deprecated 2017-01-31) | 0 | 0 | |
Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) | (2) | 3.6 | |
Defined Benefit Plan, Fair Value of Plan Assets | 30 | 33.1 | $ 46.7 |
Defined Benefit Plan, Plan Assets, Benefits Paid | 5.7 | 23.9 | |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | |
Defined Benefit Plan, Benefit Obligation | 80.1 | 96.8 | |
Defined Benefit Plan, Service Cost | 2.2 | 2.7 | 2.8 |
Defined Benefit Plan, Interest Cost | 2.1 | 2.1 | 3.1 |
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment | 1 | 0 | |
Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) | (0.2) | (3.3) | |
Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) | (3.3) | 5.8 | |
Defined Benefit Plan, Benefits Paid from both Plan Assets and Company Assets | (5.7) | (23.9) | |
Defined Benefit Plan, Benefit Obligation | 76.2 | 80.1 | 96.8 |
Defined Benefit Plan, Funded (Unfunded) Status of Plan | (46.2) | (47) | |
Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax | 12.8 | 12.7 | |
Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax | 13.4 | 12.2 | |
Defined Benefit Plan, Amortization of Gain (Loss) | 0.3 | 0.5 | 0.7 |
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) | (0.2) | (0.2) | (0.2) |
Defined Benefit Plan, Expected Return (Loss) on Plan Assets | (1.5) | (1.4) | (1.9) |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement | 0 | 7.1 | 0.9 |
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) | 2.9 | 10.8 | 5.4 |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Gain (Loss), before Tax | 1 | (4.3) | 6.9 |
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Prior Service Cost, before Tax | 0.6 | (0.5) | |
Pension and other post-retirement liability adjustments | (1.9) | 11.9 | (5.4) |
Total recognized in net periodic benefit cost and other comprehensive income (loss) before tax | 4.8 | (1.1) | 10.8 |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Arising During Period, before Tax | 1 | 0 | 0 |
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Gain (Loss) Recognized in Net Periodic Benefit Cost, before Tax | 0.3 | 0.5 | 1.7 |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Prior Service Costs Arising During Period, Net of Tax | 0.2 | 0.2 | 0.2 |
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation | 0 | (7.3) | 0 |
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Other Changes, before Tax | $ 0 | $ 0 | $ 0 |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate | 2.90% | 2.90% | 2.90% |
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase | 3.60% | 3.60% | 2.70% |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate | 2.90% | 2.80% | 3.60% |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets | 4.60% | 4.80% | 4.30% |
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase | 3.40% | 3.50% | 2.80% |
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months | $ (5.1) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Two | (3.6) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Three | (3.4) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Four | (4.2) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Five | (5.1) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter | (23) | | |
Non-Qualified Defined Benefit Pension Plan [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Employee benefit plan obligations | 3.8 | $ 3.8 | |
Liability, Defined Benefit Plan, Noncurrent | (27.7) | (28.8) | |
Liability, Defined Benefit Plan | 31.5 | 32.6 | |
Defined Benefit Plan, Accumulated Benefit Obligation | 31.3 | 32.4 | |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | | |
Defined Benefit Plan, Fair Value of Plan Assets | 0 | 0 | |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | |
Defined Benefit Plan, Benefit Obligation | 32.6 | | |
Defined Benefit Plan, Benefit Obligation | 31.5 | 32.6 | |
Defined Benefit Plan, Funded (Unfunded) Status of Plan | 31.5 | 32.6 | |
After Medicare Act Subsidy [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member] | | | |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | |
Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months | (3.6) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Two | (3.5) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Three | (3.5) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Four | (3.5) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Year Five | (3.4) | | |
Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter | (15.2) | | |
Long term asset [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Assets for Plan Benefits | 0 | 0.5 | |
Long term asset [Member] | Other Postretirement Benefit Plans, Defined Benefit [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Assets for Plan Benefits | 0 | 0 | |
Long term asset [Member] | Pension Plans, Defined Benefit [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Assets for Plan Benefits | 0 | 0.5 | |
Long term asset [Member] | Non-Qualified Defined Benefit Pension Plan [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Assets for Plan Benefits | 0 | 0 | |
Foreign Plan [Member] | Qualified Defined Benefit Pension Plan [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Employee benefit plan obligations | 0.4 | 0.1 | |
Liability, Defined Benefit Plan, Noncurrent | (14.3) | (14.8) | |
Liability, Defined Benefit Plan | 14.7 | 14.4 | |
Defined Benefit Plan, Accumulated Benefit Obligation | 23.7 | 42.5 | |
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] | | | |
Defined Benefit Plan, Fair Value of Plan Assets | 33.1 | | |
Defined Benefit Plan, Fair Value of Plan Assets | 30 | 33.1 | |
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] | | | |
Defined Benefit Plan, Benefit Obligation | 47.5 | | |
Defined Benefit Plan, Benefit Obligation | 44.7 | 47.5 | |
Defined Benefit Plan, Funded (Unfunded) Status of Plan | 14.7 | 14.4 | |
Foreign Plan [Member] | Long term asset [Member] | Qualified Defined Benefit Pension Plan [Member] | | | |
Defined Benefit Plan Disclosure [Line Items] | | | |
Defined Benefit Plan, Assets for Plan Benefits | $ 0 | $ 0.5 | |