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Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Sep. 30, 2021	Sep. 30, 2020
Statement of Financial Position [Abstract]
Accounts receivable, allowances	$ 16.8	$ 7.5
Common shares, stated value per share (USD per share)	$ 0.01	$ 0.01
Common stock outstanding	$ 55.6	$ 55.8
Treasury shares, at cost (in shares)	12.6	12.4

X

- Definition

Amount of allowance for credit loss on accounts receivable, classified as current.

+ References

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
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- Definition

Face amount or stated value per share of common stock.

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-SubTopic 10
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- Definition

Value of all classes of common stock held by shareholders. May be all or portion of the number of common shares authorized. These shares exclude common shares repurchased by the entity and held as treasury shares.

+ References

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- Definition

Number of common and preferred shares that were previously issued and that were repurchased by the issuing entity and held in treasury on the financial statement date. This stock has no voting rights and receives no dividends.

+ References

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