Components of Accounts Receivable (Detail) - CAD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accounts Receivable [Abstract]
Trade	$ 211,797	$ 264,589
Accrued trade	32,167	47,426
Prepaids and other	66,240	60,321
Trade and other current receivables	$ 310,204	$ 372,336

The amount of current trade receivables and current other receivables. [Refer: Current trade receivables; Other current receivables]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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