Acquisition - Schedule Of Net Sales And Pre Tax Net Income Loss Of Acquired Companies (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Business Acquisition [Line Items]
Net sales	$ 292.2	$ 246.3	$ 824.1	$ 698.2
Pre Tax Net (Loss) Income	67.4	69.4	191.4	(169.8)
Arktura Moz And Turf [Member]
Business Acquisition [Line Items]
Net sales	23.5	7.7	57.5	7.7
Pre Tax Net (Loss) Income	$ (1.0)	$ 1.2	$ (3.0)	$ 1.2