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Schedule II Valuation And Qualifying Accounts (Details) - USD ($) $ in Millions | 12 Months Ended
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Feb. 26, 2021 | Feb. 28, 2020 | Feb. 22, 2019
Allowance for Losses on Accounts Receivable [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Valuation allowances and reserves, balance as of beginning of period |  | $ 9.4 | $ 8.7 | $ 11.1
Charged to cost and expense |  | 6.2 | 7.3 | 5.5
Deductions | [1] | (7.3) | (5.9) | (8.2)
Other adjustments | [2] | 0.4 | (0.7) | 0.3
Valuation allowances and reserves, balance as of end of period |  | 8.7 | 9.4 | 8.7
Valuation Allowance for Deferred Income Tax Assets [Member] |  |  |  |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |  |  |  |
Valuation allowances and reserves, balance as of beginning of period |  | 5.7 | 7.8 | 9.5
Charged to cost and expense |  | 0.4 | (1.9) | 1.7
Deductions |  | 0.0 | 0.0 | (3.0)
Other adjustments | [3] | 0.5 | (0.2) | (0.4)
Valuation allowances and reserves, balance as of end of period |  | $ 6.6 | $ 5.7 | $ 7.8
[1] | Primarily represents changes in our estimated provision for bad debts and excess of accounts written off over recoveries.
[2] | Primarily represents currency translation adjustments and $0.5 related to the sale of PolyVision in 2020.
[3] | Primarily represents currency translation adjustments.

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- Definition Amount of increase (decrease) in valuation and qualifying accounts and reserves from adjustment. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SX 210.12-09) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e24092-122690 + Details
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