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CONDENSED CONSOLIDATED BALANCE SHEET (Parenthetical) - USD ($) $ in Millions	Mar. 31, 2022	Dec. 31, 2021
Current assets
Trade receivables, allowance (in dollars)	$ 9.5	$ 9.7
Stockholders’ equity
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common authorized (in shares)	300,000,000.0	300,000,000.0
Common issued (in shares)	83,900,000	83,400,000
Treasury stock (in shares)	14,600,000	14,200,000

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

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Face amount or stated value per share of common stock.

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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.

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