Fair value of financial instruments (Tables)

6 Months Ended

Jun. 30, 2020

Fair value of financial instruments

Schedule of recurring measurements of fair value hierarchy of financial assets and liabilities

	June 30, 2020
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	38.0	$	—	$	—	$	38.0
Restricted cash		0.5		—		—		0.5
Derivative instruments asset		—		—		—		—
Total	$	38.5	$	—	$	—	$	38.5
Liabilities:
Derivative instruments liability	$	—	$	26.2	$	5.2	$	31.4
Total	$	—	$	26.2	$	5.2	$	31.4

	December 31, 2019
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	74.9	$	—	$	—	$	74.9
Restricted cash		7.7		—		—		7.7
Derivative instruments asset		—		0.7		—		0.7
Total	$	82.6	$	0.7	$	—	$	83.3
Liabilities:
Derivative instruments liability	$	—	$	24.7	$	3.2	$	27.9
Total	$	—	$	24.7	$	3.2	$	27.9

Schedule of FVM of conversion option derivative

	Fair value Measurement Using Significant Unobservable Inputs (Level 3)
	Six Months Ended
	June 30, 2020
Beginning balance of liability at January 1, 2020	$	3.2
Total unrealized loss		2.0
Currency transaction loss		—
Ending balance of liability at June 30, 2020	$	5.2

	Fair value Measurement Using Significant Unobservable Inputs (Level 3)
	Six Months Ended
	June 30, 2019
Beginning balance of liability at January 1, 2019	$	1.2
Total unrealized loss		1.8
Currency transaction loss		0.2
Ending balance of liability at June 30, 2019	$	3.2