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Revenue from Contracts with Customers (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Disaggregation of Revenue [Line Items]
Net Sales	$ 272,847	$ 191,059
Sales Direct to Consumer
Disaggregation of Revenue [Line Items]
Net Sales	178,710	143,623
Sales to Distributors
Disaggregation of Revenue [Line Items]
Net Sales	94,137	47,436
Equipment
Disaggregation of Revenue [Line Items]
Net Sales	172,074	113,341
Parts and Consumables
Disaggregation of Revenue [Line Items]
Net Sales	57,441	42,803
Specialty Surface Coatings
Disaggregation of Revenue [Line Items]
Net Sales	36,877	28,234
Services and Other
Disaggregation of Revenue [Line Items]
Net Sales	6,455	6,681
Americas
Disaggregation of Revenue [Line Items]
Net Sales	162,638	142,770
Europe, Middle East and Africa
Disaggregation of Revenue [Line Items]
Net Sales	88,816	33,276
Asia Pacific
Disaggregation of Revenue [Line Items]
Net Sales	$ 21,393	$ 15,013

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+ References

No definition available.

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- Definition

Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 225
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SX 210.5-03.1)
-URI http://asc.fasb.org/extlink&oid=63488584&loc=d3e20235-122688

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