CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Statement of Comprehensive Income [Abstract]
Increase (decrease) in fair value of hedging activities, tax effects	$ (4.5)	$ 6.8	$ 1.5
Net income (loss), net of tax effects	(6.4)	(3.1)	(2.6)
Tax effect of pension benefits prior service cost arising during period	1.2	(3.3)	0.0
Amortization of prior service cost and unrecognized loss included in net periodic pension cost, tax effects	$ (0.1)	$ (0.4)	$ 0.2