Business Acquisitions - Summary of Notes Payable in Business Combination (Detail) $ in Millions	12 Months Ended
Dec. 31, 2019 CAD ($)
Disclosure of Notes Payable in Business Combination [abstract]
Balance, beginning of the year	$ 76.1
Additions for acquisitions in the year	52.4
Other adjustments	(2.2)
Payments	(36.5)
Interest	1.4
Impact of foreign exchange	(3.2)
Total notes payable	$ 88.0

Additions for acquisitions on notes payable recognised in business combination.

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Disclosure of notes payable in business combination.

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Increase decrease through change in foreign exchange on notes payable recognised in business combination.

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Interest on notes payable recognised in business combination.

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Notes payable recognised in business combination.

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Other adjustments on notes payable recognised in business combination.

No definition available.

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Payments of notes payable recognised in business combination.

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