Condensed Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net earnings	$ 110.1	$ 126.6
Gross
Recognition of pension items	1.7	1.3
Unrealized gains on derivative instruments for net investment hedge	23.3	6.0
Unrealized gains on derivative instruments for cash flow hedge	2.6	6.1
Foreign currency translation adjustments	(25.2)	(114.2)
Other comprehensive income (loss)	2.4	(100.8)
Taxes
Recognition of pension items	(1.9)	(0.3)
Unrealized gains on derivative instruments for net investment hedge	(5.8)	(1.5)
Unrealized gains on derivative instruments for cash flow hedge	(0.8)	(1.6)
Foreign currency translation adjustments	0.0	(5.1)
Other comprehensive income (loss)	(8.5)	(8.5)
Net
Recognition of pension items	(0.2)	1.0
Unrealized gains on derivative instruments for net investment hedge	17.5	4.5
Unrealized gains on derivative instruments for cash flow hedge	1.8	4.5
Foreign currency translation adjustments	(25.2)	(119.3)
Other comprehensive income (loss)	(6.1)	(109.3)
Comprehensive income, net of taxes	$ 104.0	$ 17.3