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Business Segment and Geographic Information - Summary (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Disaggregation of Revenue [Line Items]
Revenues	$ 451.8	$ 336.4	$ 856.9	$ 616.9
Proportion of revenue (as a percent)	100.00%	100.00%	100.00%	100.00%
Distributor
Disaggregation of Revenue [Line Items]
Revenues	$ 331.7	$ 221.8	$ 617.8	$ 409.6
Proportion of revenue (as a percent)	73.00%	66.00%	72.00%	66.00%
Direct
Disaggregation of Revenue [Line Items]
Revenues	$ 120.1	$ 114.6	$ 239.1	$ 207.3
Proportion of revenue (as a percent)	27.00%	34.00%	28.00%	34.00%
United States
Disaggregation of Revenue [Line Items]
Revenues	$ 367.1	$ 266.3	$ 659.4	$ 476.8
Proportion of revenue (as a percent)	81.00%	79.00%	77.00%	77.00%
Outside of the United States
Disaggregation of Revenue [Line Items]
Revenues	$ 84.7	$ 70.1	$ 197.5	$ 140.1
Proportion of revenue (as a percent)	19.00%	21.00%	23.00%	23.00%

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