Equity Investment (Tables)

9 Months Ended

Sep. 30, 2018

WAVE [Member]

Schedule of Equity Method Investments [Line Items]

Summary of Investment in Joint Venture, Income Statement Data

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2018		2017		2018		2017
Net sales	$	93.1	$	88.3	$	287.5	$	266.1
Gross profit		50.8		48.9		160.2		148.9
Net earnings		38.7		32.6		123.5		111.8