XML 85 R23.htm IDEA: XBRL DOCUMENT v3.20.1
Fair value measurements
3 Months Ended
Mar. 31, 2020
Fair Value Disclosures [Abstract]  
Fair value measurements
15. Fair value measurements
The following is a reconciliation of the fair value measurements that use significant unobservable inputs (Level 3):
(in millions)Warrant Liability
Fair value as of December 31, 2019$33.0  
Fair value adjustments(26.3) 
Fair value as of March 31, 2020$6.7  
The assumptions used in the Black-Scholes-Merton valuation model to measure the fair value of the warrants are:
Weighted Average
Unobservable InputsRangeAmountMethod
Warrant lifeN/A2 yearsExpected term
Expected volatility26.2 %to50.4%  36.79%Industry peer group
Risk-free interest rateN/A0.23%US Treasury rates
Fair value adjustments are recorded within other operating expenses, net in the condensed consolidated statement of operations.