Fair value of financial instruments (Tables)

9 Months Ended

Sep. 30, 2017

Fair value of financial instruments

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

	September 30, 2017
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	122.4	$	—	$	—	$	122.4
Restricted cash		12.5		—		—		12.5
Derivative instruments asset		—		5.1		—		5.1
Total	$	134.9	$	5.1	$	—	$	140.0
Liabilities:
Derivative instruments liability	$	—	$	33.0	$	—	$	33.0
Total	$	—	$	33.0	$	—	$	33.0

	December 31, 2016
	Level 1		Level 2		Level 3		Total
Assets:
Cash and cash equivalents	$	85.6	$	—	$	—	$	85.6
Restricted cash		13.3		—		—		13.3
Derivative instruments asset		—		8.6		—		8.6
Total	$	98.9	$	8.6	$	—	$	107.5
Liabilities:
Derivative instruments liability	$	—	$	28.9	$	—	$	28.9
Total	$	—	$	28.9	$	—	$	28.9