Revenue from Contracts with Customers (Details 1) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2019	Jun. 30, 2018	Jun. 30, 2019	Jun. 30, 2018
Disaggregation of Revenue [Line Items]
Net Sales	$ 299.7	$ 292.2	$ 562.1	$ 565.0
Sales Direct to Consumer
Disaggregation of Revenue [Line Items]
Net Sales	201.4	187.5	373.8	366.2
Sales to Distributors
Disaggregation of Revenue [Line Items]
Net Sales	98.3	104.7	188.3	198.8
Equipment
Disaggregation of Revenue [Line Items]
Net Sales	188.4	192.1	349.9	364.1
Parts and Consumables
Disaggregation of Revenue [Line Items]
Net Sales	63.2	57.4	119.0	114.9
Specialty Surface Coatings
Disaggregation of Revenue [Line Items]
Net Sales	7.1	7.8	13.3	14.3
Services and Other
Disaggregation of Revenue [Line Items]
Net Sales	41.0	34.9	79.9	71.7
Americas
Disaggregation of Revenue [Line Items]
Net Sales	189.5	178.8	350.3	341.4
EMEA
Disaggregation of Revenue [Line Items]
Net Sales	80.9	87.4	158.9	176.2
Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales	$ 29.3	$ 26.0	$ 52.9	$ 47.4