Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Statement of Comprehensive Income [Abstract]
Net income	$ 245.9	$ 217.2	$ 370.2	$ 315.2
Other comprehensive income (loss):
Foreign currency translation adjustments	(6.2)	7.5	(9.5)	14.3
Net change in pension and post-retirement liabilities	(1.0)	(0.6)	(1.1)	(0.7)
Reclassification of pension and post-retirement benefit losses into earnings	0.1	0.2	0.4	0.4
Pension settlements	0.3	0.1	0.3	0.3
Net change in fair value of cash flow hedges	5.2	(5.8)	5.9	0.5
Reclassification of cash flow hedge (gains) losses into earnings	(1.6)	0.0	0.4	0.4
Other comprehensive (loss) income before taxes	(3.2)	1.4	(3.6)	15.2
Tax benefit (expense)	0.3	1.4	(0.3)	(0.4)
Other comprehensive (loss) income, net of tax	(2.9)	2.8	(3.9)	14.8
Comprehensive income	$ 243.0	$ 220.0	$ 366.3	$ 330.0