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- Definition

Maximum Percent Of Aggregate Of Shares Issued And Outstanding Owned

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The maximum subordinate voting shares may be repurchased.

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Number Of Shares Reserved For Issuance As Percent

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Percent Of Issued And Outstanding Shares

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Percent Of Outstanding Voting Rights Of Shares

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Preferred Shares, Liquidation Preference Rate

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Share Conversion

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Per share or per unit amount of equity securities issued.

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Vote per Share

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table.

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The amount of expense from share-based payment transactions with employees. [Refer: Expense from share-based payment transactions]

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The number of shares issued by the entity.

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The number of shares reserved for issue under options and contracts for the sale of shares.

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The weighted average exercise price of share options exercisable in a share-based payment arrangement. [Refer: Weighted average [member]]

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The weighted average fair value of share options granted during the period at the measurement date. [Refer: Weighted average [member]]

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SHAREHOLDER'S CAPITAL - Narrative (Details) $ / shares in Units, $ in Millions, $ in Millions			12 Months Ended
	May 10, 2023 shares	May 10, 2022 shares	Dec. 31, 2023 CAD ($)	Dec. 31, 2022 CAD ($)	Dec. 31, 2023 Vote $ / shares shares	Aug. 16, 2023 USD ($)
Disclosure of classes of share capital [line items]
Maximum number of subordinate voting shares reserved for issuance under share-based payment plans					37,116,287
Weighted average exercise price of vested share options (US$ per share) \| $ / shares					$ 28.93
Total grant date fair value of the issued options \| $						$ 1.5
Share Options
Disclosure of classes of share capital [line items]
Share-based payments \| $			$ 18.8	$ 21.1
RSUs
Disclosure of classes of share capital [line items]
Share-based payments \| $			104.7	31.1
DSUs
Disclosure of classes of share capital [line items]
Share-based payments \| $			$ 1.3	$ 1.1
Series A perpetual convertible preferred shares
Disclosure of classes of share capital [line items]
Number of shares issued (in shares)					28,571,428
Share conversion					29,852,738
Shares issued, price per share (in USD per share) \| $ / shares					$ 25.18
Percent of issued and outstanding shares					7.50%
Percent of outstanding voting rights of shares					5.80%
Preferred shares, liquidation preference rate					7.00%
Accretion rate for optional redemption amount for a particular quarter in cash					6.00%
Series B perpetual convertible preferred shares
Disclosure of classes of share capital [line items]
Number of shares issued (in shares)					8,196,721
Share conversion					7,716,995
Shares issued, price per share (in USD per share) \| $ / shares					$ 43.90
Percent of issued and outstanding shares					1.90%
Percent of outstanding voting rights of shares					1.50%
Preferred shares, liquidation preference rate					6.00%
Accretion rate for optional redemption amount for a particular quarter in cash					5.00%
Subordinate voting shares
Disclosure of classes of share capital [line items]
Vote per share \| Vote					1
Maximum subordinate voting shares may be repurchased	17,867,120	16,510,694
Number of shares reserved for issuance as percent			10.00%
Subordinate voting shares \| Patrick Dovigi and/or his affiliates
Disclosure of classes of share capital [line items]
Minimum percent of aggregate of shares issued and outstanding owned					2.00%
Multiple voting shares
Disclosure of classes of share capital [line items]
Vote per share \| Vote					10