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Condensed Consolidated Balance Sheets (Parenthetical) - USD ($) shares in Millions, $ in Millions	Jun. 30, 2023	Dec. 31, 2022
Statement of Financial Position [Abstract]
Allowance for doubtful accounts	$ 2.8	$ 2.5
Properties and equipment, accumulated depreciation	167.2	156.4
Rental Equipment, Accumulated Depreciation	49.0	45.4
Intangible assets, accumulated amortization	$ 63.0	$ 55.4
Common stock, par value (usd per share)	$ 1
Common stock, shares authorized	90.0
Common stock, shares issued	69.9	69.5
Treasury stock, shares	8.9	8.8

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