Equity Investment (Tables)

9 Months Ended

Sep. 30, 2017

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,
	2017		2016		2017		2016
Net sales	$	101.6	$	102.6	$	311.1	$	300.5
Gross profit		49.7		54.0		157.5		160.9
Net earnings		31.3		41.8		114.1		124.0