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Common Stock Repurchases	3 Months Ended
	Feb. 28, 2021
Equity [Abstract]
Common Stock Repurchases	Common Stock RepurchasesIn January 2020, our Board of Directors increased the total share repurchase authorization from $75 million to $250 million. In the three months ended February 28, 2021 and February 29, 2020, we repurchased and retired 0.4 million shares for $15.0 million and 0.4 million shares for $20.0 million, respectively. The shares were repurchased in both periods as part of our Board of Directors authorized share repurchase program. As of February 28, 2021, there was $175.0 million remaining under the current authorization.

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- Definition

The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 30
-URI http://asc.fasb.org/subtopic&trid=2208821

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