Fair Values of Net Assets Acquired (Details) - USD ($) $ in Millions	Dec. 31, 2017	May 01, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill	$ 1,958.9		$ 1,444.1	$ 1,354.9
Water Pik Inc
Business Acquisition [Line Items]
Current assets	95.4
Property, plant and equipment	28.4
Trade name (indefinite lived)	644.7
Other intangible assets	146.1
Goodwill	424.3
Current liabilities	(31.8)
Long-term liabilities	(282.5)
Cash purchase price (net of cash acquired)	1,024.6
Agro Bio Sciences Inc
Business Acquisition [Line Items]
Current assets	2.5
Trade names and other intangibles	37.0
Goodwill	53.4
Contingent consideration	(17.8)	$ (17.8)
Cash purchase price (net of cash acquired)	75.1
VIVISCAL
Business Acquisition [Line Items]
Current assets	10.3
Trade names and other intangibles	119.6
Goodwill	36.9
Current liabilities	(6.5)
Cash purchase price (net of cash acquired)	160.3
Anusol Acquisition
Business Acquisition [Line Items]
Current assets			0.5
Trade names and other intangibles			91.7
Goodwill			37.8
Cash purchase price (net of cash acquired)			130.0
Spencer Forrest, Inc
Business Acquisition [Line Items]
Current assets			9.3
Property, plant and equipment and other long-term assets			0.2
Trade names and other intangibles			115.8
Goodwill			52.3
Current liabilities			(2.3)
Cash purchase price (net of cash acquired)			$ 175.3
VI-COR
Business Acquisition [Line Items]
Current assets				1.1
Property, plant and equipment				6.4
Trade names and other intangibles				42.1
Goodwill				29.9
Purchase Price				79.5
Fair value of contingent payment due in one year	$ (4.6)			(4.6)
Cash purchase price (net of cash acquired)				$ 74.9