CONSOLIDATED STATEMENTS OF COMPREHENSIVE EARNINGS - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Statement of Comprehensive Income [Abstract]
Net (loss) earnings	$ (430.1)	$ 150.4	$ 6.6
Other comprehensive (loss) earnings, net of tax
Foreign currency translation	(23.2)	(3.6)	13.8
Employee benefit plans:
Actuarial gains (losses) and prior service costs arising during period	0.3	4.3	(4.0)
Amortization or settlement of actuarial losses and prior service costs	0.5	0.7	0.6
Net change in employee benefit plans	0.8	5.0	(3.4)
Changes in fair value of cash flow hedges:
Unrealized net gains (losses) arising during period	(2.8)	0.3	2.0
Net losses (gains) reclassified into earnings	3.5	(1.6)	(0.9)
Total cash flow hedges	0.7	(1.3)	1.1
Other comprehensive (loss) earnings, net of tax	(21.7)	0.1	11.5
Comprehensive (loss) earnings	$ (451.8)	$ 150.5	$ 18.1