Equity Investment (Tables)

6 Months Ended

Jun. 30, 2018

WAVE [Member]

Schedule of Equity Method Investments [Line Items]

Summary of Investment in Joint Venture, Income Statement Data

	Three Months Ended				Six Months Ended
	June 30,				June 30,
	2018		2017		2018		2017
Net sales	$	106.7	$	92.5	$	194.4	$	177.8
Gross profit		61.6		51.9		109.4		100.0
Net earnings		49.2		41.4		84.8		79.2