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Leases (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Aug. 23, 2019 | Aug. 23, 2019 | Feb. 22, 2019
Lessee, Lease, Description [Line Items] |  |  |  |
Document Period End Date |  |  | Aug. 23, 2019 |
Operating Leases, Future Minimum Payments, Remainder of Fiscal Year | [1] | $ 23.3 | $ 23.3 |
Operating Lease, Payments |  | 11.5 | 23.4 |
Operating Lease, Cost |  | 12.5 | 24.6 |
Sublease Income |  | (0.3) | (0.4) |
Lease, Cost |  | 12.2 | 24.2 |
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability |  | $ 18.6 | $ 58.2 |
Operating Lease, Weighted Average Remaining Lease Term |  | 7 years 3 months 18 days | 7 years 3 months 18 days |
Lessee, Operating Lease, Discount Rate |  | 4.20% | 4.20% |
Operating Leases, Future Minimum Payments, Due in Two Years | [1] | $ 42.9 | $ 42.9 |
Operating Leases, Future Minimum Payments, Due in Three Years | [1] | 38.5 | 38.5 |
Operating Leases, Future Minimum Payments, Due in Four Years | [1] | 33.5 | 33.5 |
Operating Leases, Future Minimum Payments, Due in Five Years | [1] | 28.9 | 28.9 |
Operating Leases, Future Minimum Payments, Due Thereafter | [1] | 101.3 | 101.3 |
Operating Leases, Future Minimum Payments Due | [1] | 268.4 | 268.4 |
Operating Lease interest included in future lease payments | [1] | 39.0 | 39.0 |
Operating Lease, Liability | [1] | 229.4 | 229.4 |
Minimum annual rental commitment [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating Leases, Future Minimum Payments, Due in Two Years |  |  |  | $ 41.7
Operating Leases, Future Minimum Payments, Due in Three Years |  |  |  | 40.5
Operating Leases, Future Minimum Payments, Due in Four Years |  |  |  | 36.5
Operating Leases, Future Minimum Payments, Due in Five Years |  |  |  | 28.0
Operating Leases, Future Minimum Payments, Due Thereafter |  |  |  | 72.2
Operating Leases, Future Minimum Payments Due |  |  |  | 264.9
Operating Leases, Future Minimum Payments Due, Next Twelve Months |  |  |  | 46.0
Minimum annual sublease rental income [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating Leases, Future Minimum Payments, Due in Two Years |  |  |  | 0.3
Operating Leases, Future Minimum Payments, Due in Three Years |  |  |  | 0.2
Operating Leases, Future Minimum Payments, Due in Four Years |  |  |  | 0.2
Operating Leases, Future Minimum Payments, Due in Five Years |  |  |  | 0.2
Operating Leases, Future Minimum Payments, Due Thereafter |  |  |  | 0.6
Operating Leases, Future Minimum Payments Due |  |  |  | 2.1
Operating Leases, Future Minimum Payments Due, Next Twelve Months |  |  |  | 0.6
Minimum annual commitments, net [Member] |  |  |  |
Lessee, Lease, Description [Line Items] |  |  |  |
Operating Leases, Future Minimum Payments, Due in Two Years |  |  |  | 41.4
Operating Leases, Future Minimum Payments, Due in Three Years |  |  |  | 40.3
Operating Leases, Future Minimum Payments, Due in Four Years |  |  |  | 36.3
Operating Leases, Future Minimum Payments, Due in Five Years |  |  |  | 27.8
Operating Leases, Future Minimum Payments, Due Thereafter |  |  |  | 71.6
Operating Leases, Future Minimum Payments Due |  | $ 262.8 | $ 262.8 |
Operating Leases, Future Minimum Payments Due, Next Twelve Months |  |  |  | $ 45.4
[1] | Lease payments include options to extend lease terms that are reasonably certain of being exercised. The payments exclude legally binding minimum lease payments for leases signed but not yet commenced.

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- Definition The end date of the period reflected on the cover page if a periodic report. For all other reports and registration statements containing historical data, it is the date up through which that historical data is presented. If there is no historical data in the report, use the filing date. The format of the date is CCYY-MM-DD. + References No definition available. + Details
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- Definition Amount of lease cost recognized by lessee for lease contract. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 + Details
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- Definition Discount rate used by lessee to determine present value of operating lease payments. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (c)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918673-209980 + Details
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- Definition Amount of lessee's undiscounted obligation for lease payments in excess of discounted obligation for lease payments for operating lease. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 6 -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918701-209980 + Details
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- Definition Amount of single lease cost, calculated by allocation of remaining cost of lease over remaining lease term. Includes, but is not limited to, single lease cost, after impairment of right-of-use asset, calculated by amortization of remaining right-of-use asset and accretion of lease liability. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of cash outflow from operating lease, excluding payments to bring another asset to condition and location necessary for its intended use. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 45 -Paragraph 5 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=77888419&loc=SL77918643-209977 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(1) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Weighted average remaining lease term for operating lease, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 55 -Paragraph 53 -URI http://asc.fasb.org/extlink&oid=77888399&loc=SL77918982-209971 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 842 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (g)(3) -URI http://asc.fasb.org/extlink&oid=77888426&loc=SL77918686-209980 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=77902758&loc=d3e41502-112717 Reference 2: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 10 -Section 55 -Paragraph 40 -Subparagraph (Note 3) -URI http://asc.fasb.org/extlink&oid=82846649&loc=d3e38371-112697 + Details
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- Definition Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the remainder of the fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date. + References No definition available. + Details
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