Revenue and segmented information (Tables)

12 Months Ended

Dec. 31, 2017

Revenue and segmented information

Schedule of operating performance of reporting segments

	Space						Corporate and
Year ended December 31, 2017	Systems		Imagery		Services		eliminations		Total
Revenues:
External revenue	$	1,259.6	$	228.4	$	143.2	$	—	$	1,631.2
Intersegment eliminations		10.2		1.7		1.4		(13.3)		—
		1,269.8		230.1		144.6		(13.3)		1,631.2
Segment earnings:
Adjusted EBITDA		231.9		147.6		23.4		(24.2)		378.7
Depreciation and amortization		40.6		40.6		5.9		0.6		87.7
		191.3		107.0		17.5		(24.8)		291.0
Capital expenditures:
Property, plant and equipment		51.4		4.7		2.0		0.2		58.3
Intangible assets		64.3		22.0		0.2		0.2		86.7
		115.7		26.7		2.2		0.4		145.0

	Space						Corporate and
Year ended December 31, 2016	Systems		Imagery		Services		eliminations		Total
Revenues:
External revenue	$	1,417.2	$	41.0	$	99.3	$	—	$	1,557.5
Intersegment eliminations		3.6		0.8		0.4		(4.8)		—
		1,420.8		41.8		99.7		(4.8)		1,557.5
Segment earnings:
Adjusted EBITDA		246.0		22.4		20.3		(21.1)		267.6
Depreciation and amortization		41.3		0.2		3.4		0.1		45.0
		204.7		22.2		16.9		(21.2)		222.6
Capital expenditures:
Property, plant and equipment		39.2		0.3		0.9		1.2		41.6
Intangible assets		59.7		—		1.4		0.4		61.5
		98.9		0.3		2.3		1.6		103.1

Schedule of reconciliation to earnings (loss) before income taxes

	For the year ended
	December 31,
	2017		2016
Segment earnings	$	291.0	$	222.6
Amortization of acquisition related intangible assets		79.4		32.4
Foreign exchange differences		(11.5)		2.8
Share-based compensation expense (note 22(f))		57.9		14.7
Other expense (note 8)		119.4		5.9
Earnings before interest and taxes		45.8		166.8
Finance income		(1.3)		(0.3)
Finance expense		82.5		37.6
Earnings (loss) before income taxes	$	(35.4)	$	129.5

Schedule of primary sources of revenue

	For the year ended
	December 31,
	2017		2016
Construction contracts	$	1,183.2	$	1,342.4
Service contracts		448.0		215.1
	$	1,631.2	$	1,557.5

Schedule of revenue based on geographic location of customer

	For the year ended
	December 31,
	2017		2016
Revenue:
United States	$	743.8	$	447.2
Canada		329.9		424.4
Asia		295.3		311.9
Europe		207.1		284.5
Australia		29.6		29.7
South America		16.7		58.1
Other		8.8		1.7
	$	1,631.2	$	1,557.5

Schedule of revenue from significant customers

	For the year ended
	December 31,
	2017		2016
Commercial:
Customer 1	$	119.9	$	197.1
Government:
Canadian Federal Government and agencies	$	194.3	$	212.3
U.S. Federal Government and agencies		293.8		97.5

Schedule of non-current non-financial assets, property, plant and equipment, intangible assets and goodwill located geographically

	December 31,		December 31,
	2017		2016
United States	$	5,103.5	$	1,268.2
Canada		142.7		126.9
Europe		0.2		0.2
	$	5,246.4	$	1,395.3