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Basis of Presentation (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended		6 Months Ended
	Mar. 17, 2021	Feb. 27, 2021	Feb. 29, 2020	Feb. 27, 2021	Feb. 29, 2020
Subsequent Event [Line Items]
Dividends paid per common share (in dollars per share)		$ 0.12	$ 0.11	$ 0.24	$ 0.22
Deferred FICA liability		$ 16.2		$ 16.2
Refundable tax credit		4.0		4.0
Refundable tax credit, outstanding		$ 3.2		$ 3.2
Subsequent Event
Subsequent Event [Line Items]
Dividends paid per common share (in dollars per share)	$ 0.12

X

- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
-URI http://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770

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+ References

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Employee Retention Credit, CARES Act

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+ References

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