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Components of Changes in Non-cash Working Capital Balances (Detail) - CAD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Disclosure Of Change In Noncash Working Capital Balances [Abstract]
Accounts receivable	$ 51,152	$ (32,709)
Inventory	1,157	(7,504)
Accounts payable and accrued liabilities	(61,376)	23,225
Non cash working capital	(9,067)	(16,988)
Operations	(4,493)	(17,880)
Investments	$ (4,574)	$ 892

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- Definition

Adjustments for decrease (increase) in inventories to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Inventories; Profit (loss)]

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Changes in non-cash balances related to operating activities.

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Disclosure Of Change In Non-cash Working Capital Balances [Abstract]

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Non cash working capital balance.

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