Schedule of Unaudited Pro Forma Results (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended								12 Months Ended
	Aug. 07, 2017	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Net Sales		$ 1,033.1	$ 967.9	$ 898.0	$ 877.2	$ 896.0	$ 870.7	$ 877.4	$ 849.0	$ 3,776.2	$ 3,493.1	$ 3,394.8
Net income per share - Basic		$ 1.63	$ 0.53	$ 0.29	$ 0.52	$ 0.43	$ 0.48	$ 0.43	$ 0.44	$ 2.97	$ 1.78	$ 1.57
Net income per share - Diluted		$ 1.60	$ 0.52	$ 0.29	$ 0.51	$ 0.42	$ 0.47	$ 0.43	$ 0.43	$ 2.90	$ 1.75	$ 1.54
Water Pik Inc
Business Acquisition [Line Items]
Net Sales	$ 265.0									$ 3,776.2	$ 3,493.1
Net Income										$ 743.4	$ 459.0
Net income per share - Basic										$ 2.97	$ 1.78
Net income per share - Diluted										$ 2.90	$ 1.75
Net Sales, Pro forma										$ 3,936.2	$ 3,739.3
Net Income, Pro forma										$ 753.4	$ 467.2
Net income per share - Basic, Pro forma										$ 3.01	$ 1.81
Net income per share - Diluted, Pro forma										$ 2.94	$ 1.78