Consolidated Statements of Comprehensive Income - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Statement of Comprehensive Income [Abstract]
Net earnings	$ 506.8	$ 502.9	$ 263.0
Gross
Unrecognized pension items	47.7	(35.2)	(13.9)
Unrealized gains (losses) on derivative instruments for net investment hedge	38.9	(44.0)	9.8
Unrealized gains (losses) on derivative instruments for cash flow hedge	5.8	(2.9)	(3.4)
Foreign currency translation adjustments	(38.8)	7.0	17.0
Other comprehensive income (loss)	53.6	(75.1)	9.5
Taxes
Unrecognized pension items	(12.7)	8.8	4.2
Unrealized gains (losses) on derivative instruments for net investment hedge	(9.7)	11.0	(2.4)
Unrealized gains (losses) on derivative instruments for cash flow hedge	(1.6)	0.9	0.9
Foreign currency translation adjustments	0.0	(0.1)	(0.8)
Other comprehensive income (loss)	(24.0)	20.6	1.9
Net
Unrecognized pension items	35.0	(26.4)	(9.7)
Unrealized gains (losses) on derivative instruments for net investment hedge	29.2	(33.0)	7.4
Unrealized gains (losses) on derivative instruments for cash flow hedge	4.2	(2.0)	(2.5)
Foreign currency translation adjustments	(38.8)	6.9	16.2
Other comprehensive income (loss)	29.6	(54.5)	11.4
Comprehensive income, net of taxes	$ 536.4	$ 448.4	$ 274.4