Net Income (Loss) per Common Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Earnings Per Share [Abstract]
Net income from continuing operations	$ 13.5	$ 13.1
Less: Distributed net income available to participating securities	(0.1)	(0.1)
Less: Undistributed net income available to participating securities	(0.0)	(0.0)
Numerator for basic and diluted net income per share:
Undistributed and distributed net income available to common shareholders	13.4	13.0
Undistributed and distributed net income available to common shareholders	$ 13.4	$ 13.0
Denominator:
Weighted average shares outstanding for basic net income per share (in shares)	38.3	38.2
Effect of dilutive securities (in shares)	0.1	0.2
Weighted average shares outstanding for diluted net income per share (in shares)	38.4	38.4
Net income per share from continuing operations:
Basic (in dollars per share)	$ 0.35	$ 0.34
Diluted (in dollars per share)	$ 0.35	$ 0.34
Net income from discontinued operations	$ 0.1	$ 0.1
Net income per share from discontinued operations:
Basic (in dollars per share)	$ 0.00	$ 0.00
Diluted (in dollars per share)	0.00	0.00
Net income per share - Basic (in dollars per share)	0.35	0.34
Net income per share - Diluted (in dollars per share)	$ 0.35	$ 0.34
Potentially dilutive securities (in shares)	0.4	0.2