Earnings (Loss) Per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Numerator:
Net income (loss)	$ (1.4)	$ 7.8
Denominator:
Weighted-average shares outstanding - basic (in shares)	18.5	18.6
Effect of dilutive shares (in shares)	0.0	0.1
Weighted-average shares outstanding - diluted (in shares)	18.5	18.7
Basic earnings (loss) per share (in dollars per share)	$ (0.08)	$ 0.42
Diluted earnings (loss) per share (in dollars per share)	$ (0.08)	$ 0.42
Anti-dilutive shares (in shares)	0.2	0.1