Consolidated Statements of Comprehensive (Loss) Income (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Statement of Comprehensive Income [Abstract]
Net earnings (loss)	$ 97.7	$ 10.3	$ 271.3	$ (52.4)
Other comprehensive (loss) income:
Foreign currency translation adjustments	(31.7)	76.7	(99.9)	29.1
Translation adjustments on derivative instruments, net of income taxes of $5.9, $(12.6), $16.1 and $(12.5), respectively	8.7	(25.2)	44.1	(23.8)
Translation adjustments of long-term intercompany loans	(0.5)	(5.8)	5.7	(6.2)
Defined benefit pension plans and retiree health care plan, net of income taxes of $1.5, $0.3, $4.1 and $7.9, respectively	1.2	0.6	2.8	2.5
Pension settlement related to a U.S. plan, net of income taxes of $3.9 for 2020	0.0	0.0	0.0	6.6
Total other comprehensive (loss) income	(22.3)	46.3	(47.3)	8.2
Comprehensive income (loss)	$ 75.4	$ 56.6	$ 224.0	$ (44.2)