Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2026

Employee Benefit Plans [Abstract]

Schedule of Expenses Included on the Condensed Consolidated Statements of Income (Loss)

The expenses included on the condensed consolidated statements of income (loss) were as follows:

Three months ended March 31, 2026		Pension Plans												Other Post-employment Benefit Plans
Three months ended March 31, 2026		Canadian				US				Total				Canadian			US			Total
Consolidated statements of income (loss)
Operating expenses		$	895			$	72			$	967			$	158		$	—		$	158
Interest (income) expense		$	(772	)		$	(20	)		$	(792	)		$	280		$	9		$	289

Three months ended March 31, 2025		Pension Plans											Other Post-employment Benefit Plans
Three months ended March 31, 2025		Canadian				US			Total				Canadian			US			Total
Consolidated statements of income (loss)
Operating expenses		$	1,061			$	138		$	1,199			$	167		$	—		$	167
Interest (income) expense		$	(618	)		$	36		$	(582	)		$	263		$	54		$	317

Schedule of Balance Sheet Obligations, Distributed Between Pension and Other Post-Employment Benefits

The balance sheet obligations, distributed between pension and other post-employment benefits were as follows:

As at March 31, 2026		Pension Plans										Other Post-employment Benefit Plans
As at March 31, 2026		Canadian			US				Total			Canadian			US			Total
Included in other long-term liabilities		$	42,903		$	(1,164	)		$	41,739		$	22,589		$	436		$	23,025
Included in other long-term assets		$	109,386		$	—			$	109,386		$	—		$	—		$	—

As at December 31, 2025		Pension Plans										Other Post-employment Benefit Plans
As at December 31, 2025		Canadian			US				Total			Canadian			US			Total
Included in other long-term liabilities		$	43,288		$	(952	)		$	42,336		$	22,400		$	424		$	22,824
Included in other long-term assets		$	109,812		$	—			$	109,812		$	—		$	—		$	—