Segment and geographic information (Tables)

6 Months Ended

Jun. 30, 2018

Segment and geographic information

Reconciliation of Project Adjusted EBITDA to net income (loss) from continuing operations

							Un-Allocated
	East U.S.		West U.S.		Canada		Corporate		Consolidated
Three Months Ended June 30, 2018
Project revenues	$	39.0	$	8.3	$	18.7	$	0.2	$	66.2
Segment assets		610.5		167.1		197.6		92.6		1,067.8
Project Adjusted EBITDA	$	31.2	$	(0.7)	$	9.0	$	0.3	$	39.8
Change in fair value of derivative instruments		0.5		—		(0.2)		(0.1)		0.2
Depreciation and amortization		11.4		5.6		8.0		0.1		25.1
Interest, net		0.9		—		—		—		0.9
Project income (loss)		18.4		(6.3)		1.2		0.3		13.6
Administration		—		—		—		6.2		6.2
Interest expense, net		—		—		—		11.1		11.1
Foreign exchange gain		—		—		—		(5.4)		(5.4)
Other income, net		—		—		—		(0.2)		(0.2)
Income (loss)  before income taxes		18.4		(6.3)		1.2		(11.4)		1.9
Income tax expense		—		—		—		0.9		0.9
Net income (loss)	$	18.4	$	(6.3)	$	1.2	$	(12.3)	$	1.0

							Un-Allocated
	East U.S.		West U.S.		Canada		Corporate		Consolidated
Three Months Ended June 30, 2017
Project revenues	$	40.4	$	27.9	$	55.4	$	0.3	$	124.0
Segment assets		688.5		299.3		281.9		104.4		1,374.1
Project Adjusted EBITDA	$	29.1	$	10.6	$	45.2	$	0.5	$	85.4
Change in fair value of derivative instruments		0.7		—		0.9		1.0		2.6
Depreciation and amortization		11.4		10.0		13.2		0.1		34.7
Interest, net		2.6		(0.1)		—		—		2.5
Impairment		57.7		—		—		—		57.7
Project (loss) income		(43.3)		0.7		31.1		(0.6)		(12.1)
Administration		—		—		—		5.7		5.7
Interest expense, net		—		—		—		18.4		18.4
Foreign exchange loss		—		—		—		5.9		5.9
(Loss) income before income taxes		(43.3)		0.7		31.1		(30.6)		(42.1)
Income tax benefit		—		—		—		(22.3)		(22.3)
Net (loss) income	$	(43.3)	$	0.7	$	31.1	$	(8.3)	$	(19.8)

							Un-Allocated
	East U.S.		West U.S.		Canada		Corporate		Consolidated
Six Months Ended June 30, 2018
Project revenues	$	80.6	$	21.9	$	43.2	$	0.5	$	146.2
Segment assets		610.5		167.1		197.6		92.6		1,067.8
Project Adjusted EBITDA	$	64.4	$	5.4	$	23.2	$	0.2	$	93.2
Change in fair value of derivative instruments		0.2		—		(1.4)		(2.4)		(3.6)
Depreciation and amortization		23.2		13.6		16.1		0.2		53.1
Interest, net		1.9		—		—		—		1.9
Project income (loss)		39.1		(8.2)		8.5		2.4		41.8
Administration		—		—		—		12.2		12.2
Interest expense, net		—		—		—		26.1		26.1
Foreign exchange gain		—		—		—		(13.6)		(13.6)
Other income, net		—		—		—		(2.2)		(2.2)
Net income (loss) before income taxes		39.1		(8.2)		8.5		(20.1)		19.3
Income tax expense		—		—		—		4.2		4.2
Net income (loss)	$	39.1	$	(8.2)	$	8.5	$	(24.3)	$	15.1

							Un-Allocated
	East U.S.		West U.S.		Canada		Corporate		Consolidated
Six Months Ended June 30, 2017
Project revenues	$	76.5	$	51.3	$	94.1	$	0.5	$	222.4
Segment assets		688.5		299.3		281.9		104.4		1,374.1
Project Adjusted EBITDA	$	56.2	$	19.8	$	72.8	$	0.5	$	149.3
Change in fair value of derivative instruments		1.3		—		4.1		(1.6)		3.8
Depreciation and amortization		22.7		19.8		26.4		0.4		69.3
Interest, net		5.3		—		—		—		5.3
Impairment		57.7		—		—		—		57.7
Project income (loss)		(30.8)		—		42.3		1.7		13.2
Administration		—		—		—		12.1		12.1
Interest expense, net		—		—		—		35.7		35.7
Foreign exchange loss		—		—		—		8.3		8.3
Net (loss) income before income taxes		(30.8)		—		42.3		(54.4)	$	(42.9)
Income tax benefit		—		—		—		(22.6)		(22.6)
Net (loss) income	$	(30.8)	$	—	$	42.3	$	(31.8)	$	(20.3)

Schedule of revenue and property, plant and equipment by country

	Project Revenue				Project Revenue				Property, Plant and
	Three Months Ended				Six Months Ended				Equipment, net of
	June 30,				June 30,				accumulated depreciation
	2018		2017		2018		2017		June 30, 2018		December 31, 2017
United States	$	47.5	$	68.6	$	103.0	$	128.3	$	409.8	$	426.2
Canada		18.7		55.4		43.2		94.1		163.3		176.1
Total	$	66.2	$	124.0	$	146.2	$	222.4	$	573.1	$	602.3