Lease liabilities (Tables)

12 Months Ended

Dec. 31, 2025

Lease liabilities [abstract]

Disclosure of detailed information about leasing activities for lessee [Table Text Block]

Balance, January 1, 2024	$	90.3
Additional capitalized leases		25.5
Lease payments		(31.4	)
Derecognized leases		(11.5	)
Accretion and other movements		1.9
Balance, December 31, 2024	$	74.8
Additional capitalized leases		17.7
Lease payments		(36.9	)
Derecognized leases		(0.9	)
Accretion and other movements		1.3
Balance, December 31, 2025	$	56.0

		Dec. 31, 2025			Dec. 31, 2024
Current	$	26.7		$	30.5
Non-current		29.3			44.3
	$	56.0		$	74.8

Disclosure of detailed information about expenses recognized to leases for which exemption applied [Table Text Block]

		Year ended December 31,
		2025			2024
Short-term leases	$	19.6		$	9.7
Low value leases		0.4			0.4
Variable leases		18.6			23.0
Total	$	38.6		$	33.1