Leases (Tables)

12 Months Ended

Dec. 31, 2024

Leases [Abstract]

Lease cost

The components of lease expense are as follows:

Year ended December 31,	2024		2023		2022
Operating lease cost	$	250.8	$	192.1	$	23.0
Finance lease cost
Amortization of leased assets	12.5		11.3		10.2
Interest on lease liabilities	1.7		1.3		0.8
Short-term lease cost	12.6		17.0		12.2
Sublease income	(1.0)		(0.6)		(0.1)
	$	276.6	$	221.1	$	46.1

Property, plant, and equipment includes the following finance lease assets:

At December 31, 2024	Cost		Accumulated depreciation		Net book value
Auto equipment	$	32.8	$	(16.6)	$	16.2
Computer equipment	14.3		(9.9)		4.4
Yard and others	38.5		(10.0)		28.5
	$	85.6	$	(36.5)	$	49.1

At December 31, 2023	Cost		Accumulated depreciation		Net book value
Auto equipment	$	27.6	$	(13.0)	$	14.6
Computer equipment	15.4		(8.4)		7.0
Yard and others	10.9		(7.4)		3.5
	$	53.9	$	(28.8)	$	25.1

Future aggregate minimum operating lease payments

The future aggregate minimum lease payments under non-cancellable operating leases are as follows:

2025	$	195.9
2026	201.1
2027	194.6
2028	183.9
2029	172.7
Thereafter	1,220.8
Total future minimum lease payments	$	2,169.0
less: imputed interest	(624.6)
Total operating lease liabilities	$	1,544.4
less: current operating lease liabilities	(113.3)
Long-term operating lease liabilities	$	1,431.1

Future aggregate minimum finance lease payments

The future aggregate minimum lease payments under non-cancellable finance leases are as follows:

2025	$	15.1
2026	13.8
2027	11.8
2028	8.2
2029	4.8
Total future minimum lease payments	$	53.7
less: imputed interest	(3.1)
Total finance lease liabilities	$	50.6
less: current finance lease liabilities	(13.9)
Long-term finance lease liabilities	$	36.7