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Common Stock and Dividends (Details) - USD ($)				1 Months Ended	5 Months Ended
	Mar. 02, 2021	Feb. 17, 2021	Apr. 03, 2020	Apr. 30, 2009	Aug. 02, 2021
Common Stock and Dividends
Cash dividends paid to common shareholders (in dollars per share)		$ 0.55	$ 0.55
Repurchase of common stock, authorized amount	$ 50,000,000			$ 40,000,000
Period of repurchase of common stock	12 months			12 months
Cumulative number of shares repurchased under all stock repurchase programs					12,268,401
Cumulative cost of shares repurchased under all stock repurchase programs					$ 357,102,000

X

- Definition

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

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 505
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.3-04)
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- Definition

Amount of stock repurchase plan authorized.

+ References

No definition available.

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- Definition

Period which shares may be purchased under a stock repurchase plan authorized by an entity's Board of Directors, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

+ References

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- Definition

Equity impact of the value of stock that has been repurchased during the period and has not been retired and is not held in treasury. Some state laws may mandate the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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