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Derivative Instruments (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Feb. 22, 2019 | Feb. 28, 2020
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative, Notional Amount | $ 124,600,000 | $ 117,600,000
Treasury Lock [Member] |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |
Derivative, Notional Amount | $ 400 |
Derivative, Fixed Interest Rate | 3.10% |
Loss on Derivative Instruments, Pretax | $ 13,000,000.0 |

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- Definition Nominal or face amount used to calculate payment on derivative. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1B -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5580258-113959 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 1A -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5579245-113959 + Details
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- Definition Aggregate loss on all derivative instruments charged against earnings during the period, before tax effects. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5618551-113959 + Details
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