For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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-Name Accounting Standards Codification
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Geographic Information - Narrative (Details) $ in Millions	3 Months Ended		6 Months Ended
Geographic Information - Narrative (Details) $ in Millions	Jun. 30, 2020 USD ($)	Jun. 30, 2019	Jun. 30, 2020 USD ($) segment	Jun. 30, 2019	Dec. 31, 2019 USD ($)
Segment Reporting [Abstract]
Number of operating segments \| segment			1
Concentration Risk [Line Items]
Accounts receivable	$ 543.9		$ 543.9		$ 816.9
Product Sales
Concentration Risk [Line Items]
Accounts receivable	$ 50.0		$ 50.0		$ 90.5
Customer Concentration Risk \| Revenue \| Single Customer
Concentration Risk [Line Items]
Concentration risk (as a percent)	10.40%	12.50%	12.10%	12.20%