Note 3 - Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Disaggregation of Revenue [Table Text Block]

	2020		2019		2018
Americas	$	631.0	$	722.4	$	691.0
Europe, Middle East and Africa		278.2		307.6		335.6
Asia Pacific		91.8		107.6		96.9
Total	$	1,001.0	$	1,137.6	$	1,123.5

	2020		2019		2018
Equipment	$	629.7	$	741.8	$	730.0
Parts and consumables		205.8		221.9		222.3
Specialty surface coatings		22.7		25.7		29.8
Service and other		142.8		148.2		141.4
Total	$	1,001.0	$	1,137.6	$	1,123.5

	2020		2019		2018
Sales direct to consumer	$	664.9	$	750.9	$	735.2
Sales to distributors		336.1		386.7		388.3
Total	$	1,001.0	$	1,137.6	$	1,123.5

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

	2020			2019
Beginning balance	$	13.7		$	16.7
Additions to sales incentive accrual		18.2			24.7
Contract payments		(20.0	)		(27.7	)
Foreign currency fluctuations		0.2			—
Ending balance	$	12.1		$	13.7

	2020			2019
Beginning balance	$	10.7		$	8.5
Increase in deferred revenue representing our obligation to satisfy future performance obligations		21.0			26.0
Deferred revenue acquired from acquisition of Gaomei Cleaning Equipment Company		—			1.4
Decrease in deferred revenue for amounts recognized in net sales for satisfied performance obligations		(21.8	)		(25.2	)
Foreign currency fluctuations		(0.6	)		—
Ending balance	$	9.3		$	10.7

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

2021	$	5.9
2022		2.0
2023		0.9
2024		0.4
2025		0.1
Thereafter		—
Total	$	9.3