PENSION PLANS AND POSTRETIREMENT BENEFITS - Changes in the fair value of plan assets (Details) - Plan assets - Pension and postretirement benefits - CAD ($) $ in Millions |
12 Months Ended | |
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Dec. 31, 2025 |
Dec. 31, 2024 |
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| Disclosure of net defined benefit liability (asset) | ||
| Fair value of plan assets at the beginning of the year | $ 607.0 | $ 572.0 |
| Actual return on plan assets | 24.0 | 54.2 |
| Employer contributions | 0.6 | 0.5 |
| Plan participants' contributions | 4.7 | 5.1 |
| Benefits and settlements paid | (18.1) | (18.3) |
| Administrative fees | (1.2) | (1.0) |
| Transfer | (5.2) | (5.5) |
| Fair value of plan assets at the end of the year | $ 611.8 | $ 607.0 |
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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from contributions to a defined benefit plan by plan participants. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition 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. No definition available.
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from the return on plan assets, excluding amounts included in interest income or expense. The return on plan assets is interest, dividends and other revenue derived from the plan assets, together with realised and unrealised gains or losses on the plan assets, less any costs of managing plan assets and less any tax payable by the plan itself, other than tax included in the actuarial assumptions used to measure the present value of the defined benefit obligation. [Refer: Plan assets [member]; Net defined benefit liability (asset); Actuarial assumptions [domain]; Increase (decrease) in net defined benefit liability (asset) resulting from interest expense (income)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The effect on the net defined benefit liability (asset) of expenses related to defined benefit plans that the entity classifies as being administrative. No definition available.
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from transfers from the plan. No definition available.
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan for benefits and settlements. No definition available.
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- Details
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- Details
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