The aggregate costs related to goods produced and sold and services rendered by an entity during the reporting period. This excludes costs incurred during the reporting period related to financial services rendered and other revenue generating activities.

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-Name Accounting Standards Codification
-Topic 220
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.2(a),(d))
-URI http://asc.fasb.org/extlink&oid=116634182&loc=SL114868664-224227

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Amount of actuarial present value of benefits attributed to employee service rendered, excluding assumptions about future compensation level.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (e)
-URI http://asc.fasb.org/extlink&oid=118255775&loc=d3e1928-114920

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.

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The net result for the period of deducting operating expenses from operating revenues.

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New Accounting Standards Accounting Standards Update 2017-07 (Details) - USD ($) $ in Millions	3 Months Ended								12 Months Ended
	Feb. 28, 2020	Nov. 22, 2019	Aug. 23, 2019	May 24, 2019	Feb. 22, 2019	Nov. 23, 2018	Aug. 24, 2018	May 25, 2018	Feb. 28, 2020	Feb. 22, 2019	Feb. 23, 2018
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Cost of sales									$ 2,508.5	$ 2,355.3	$ 2,050.3
Operating expenses									958.2	904.3	850.0
Operating income (loss)	$ 69.0	$ 75.1	$ 85.3	$ 27.6	$ 47.0	$ 45.4	$ 67.9	$ 23.3	$ 257.0	$ 183.6	155.2
Accounting Standards Update 2017-07 [Member]
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Defined Benefit Plan, Accumulated Benefit Obligation											$ 7.1