Consolidated Statements of Stockholders' Equity (Parenthetical) - USD ($) shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Statement of Stockholders' Equity [Abstract]
Change in pension and other postretirement benefit obligations, income tax expense	$ 2.3	$ 1.1	$ 1.2
Common stock dividend to be paid (in dollars per share)	$ 0.38	$ 0.33	$ 0.29
Repurchased and canceled shares (in shares)	4.4	4.7	5.3
Cost of repurchased and canceled shares	$ 159.9	$ 150.2	$ 125.0
Weighted average price of repurchased and canceled shares (in dollars per share)	$ 36.74	$ 31.81	$ 23.66
Excise tax on repurchases	$ 1.1	$ 0.5	$ 1.0