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Business Segment and Geographic Information - Summary (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2020	Mar. 31, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 405.1	$ 280.5
Proportion of revenue (as a percent)	100.00%	100.00%
Distributor
Disaggregation of Revenue [Line Items]
Revenues	$ 286.1	$ 187.8
Proportion of revenue (as a percent)	71.00%	67.00%
Direct
Disaggregation of Revenue [Line Items]
Revenues	$ 119.0	$ 92.7
Proportion of revenue (as a percent)	29.00%	33.00%
United States
Disaggregation of Revenue [Line Items]
Revenues	$ 292.3	$ 210.5
Proportion of revenue (as a percent)	72.00%	75.00%
Outside of the United States
Disaggregation of Revenue [Line Items]
Revenues	$ 112.8	$ 70.0
Proportion of revenue (as a percent)	28.00%	25.00%

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Revenue, Percentage

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+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 4
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130543-203045

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 606
-SubTopic 10
-Section 50
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=118956577&loc=SL49130545-203045

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