Equity Investments (Tables) - WAVE [Member]

12 Months Ended

Dec. 31, 2020

Schedule of Equity Method Investments [Line Items]

Summary of Investment in Joint Venture, Balance Sheet Data

	December 31, 2020		December 31, 2019
Current assets	$	66.8	$	99.2
Non-current assets		40.8		37.0
Current liabilities		73.0		24.4
Other non-current liabilities		234.7		287.4

Summary of Investment in Joint Venture, Income Statement Data

	2020		2019		2018
Net sales	$	343.3	$	393.2	$	375.0
Gross profit		194.7		219.6		205.8
Net earnings		137.8		166.0		156.6

Summary of the Difference Between Carrying Amount and Underlying Equity of Equity Method Investment

	December 31, 2020		December 31, 2019
Property, plant and equipment	$	0.4	$	0.4
Other intangibles		110.3		115.0
Goodwill		30.4		30.4
Total	$	141.1	$	145.8