Revenue from Contracts with Customers (Tables)

3 Months Ended

Mar. 31, 2019

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following tables illustrate the disaggregation of revenue by geographic area, groups of similar products and services and sales channels for the three months ended March 31, 2019 and 2018:

Net Sales by geographic area

	Three Months Ended
	March 31
	2019		2018
Americas	$	160.8	$	162.6
Europe, Middle East and Africa	78.1		88.8
Asia Pacific	23.6		21.4
Total	$	262.5	$	272.8

Net Sales are attributed to each geographic area based on the end user country and are net of intercompany sales.

Net Sales by groups of similar products and services

	Three Months Ended
	March 31
	2019		2018
Equipment	$	161.6	$	172.1
Parts and Consumables	55.8		57.4
Specialty Surface Coatings	6.2		6.4
Service and Other	38.9		36.9
Total	$	262.5	$	272.8

Net Sales by sales channel

	Three Months Ended
	March 31
	2019		2018
Sales Direct to Consumer	$	172.5	$	178.7
Sales to Distributors	90.0		94.1
Total	$	262.5	$	272.8

Contract with Customer, Asset and Liability [Table Text Block]

The change in our sales incentive accrual balance for the three months ended March 31, 2019 and 2018 was as follows:

	Three Months Ended
	March 31
	2019			2018
Beginning balance	$	16.7		$	14.5
Additions to sales incentive accrual	6.5			6.0
Contract payments	(12.6		)	(11.6		)
Foreign currency fluctuations	—			0.1
Ending balance	$	10.6		$	9.0

Deferred Revenue, by Arrangement, Disclosure [Table Text Block]

The change in the deferred revenue balance for the three months ended March 31, 2019 was as follows:

	Three Months Ended
	March 31
	2019			2018
Beginning balance	$	8.5		$	8.3
Increase in deferred revenue representing our obligation to satisfy future performance obligations	3.8			3.7
Deferred revenue addition from the acquisition of Gaomei Cleaning Equipment Company	1.4			—
Decrease in deferred revenue for amounts recognized in Net Sales for satisfied performance obligations	(3.1		)	(3.3		)
Foreign currency fluctuations	—			0.1
Ending balance	$	10.6		$	8.8

Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block]

At March 31, 2019, $6.7 million and $3.9 million of deferred revenue was reported in Other Current Liabilities and Other Liabilities, respectively, on our Consolidated Balance Sheets. Of this, we expect to recognize the following approximate amounts in Net Sales in the following periods:

Remaining 2019	$	6.0
2020	2.4
2021	1.4
2022	0.6
2023	0.2
Thereafter	—
Total	$	10.6