Finance expense

12 Months Ended

Dec. 31, 2017

Finance expense

Finance expense

7.            Finance expense:

	For the year ended
	December 31,
	2017		2016
Finance expense:
Interest expense on long-term debt	$	57.7	$	26.2
Interest expense on defined benefit pension and other post-retirement benefit obligations (note 18(b)&(c))		9.2		9.5
Interest expense on orbital securitization liability (note 14)		7.8		1.6
Interest expense on advance payments		7.9		—
Capitalization of borrowing costs (notes 16(a))		(4.9)		(2.8)
Imputed interest and other		4.8		3.1
	$	82.5	$	37.6