Property, plant and equipment, net (Tables)

12 Months Ended

Dec. 31, 2023

Property, Plant and Equipment [Abstract]

Plant and equipment, net

The estimated useful lives are as follows:

Computers	3 years
Vehicles	5 years
Plant equipment	5 years
Furniture	7 years
Storage containers	10 years
Processing equipment and rotable parts	5 to 10 years
Buildings	49 years
Leasehold improvements	Shorter of term of lease or estimated useful life

Estimating the useful life of property, plant and equipment requires judgment and is based on the Company's historical experience and expected use of the property, plant and equipment. The effects of obsolescence, demand, and other economic factors such as the stability of the industry may impact the Company's determination of useful life.

As at	December 31, 2023		December 31, 2022		October 31, 2022		October 31, 2021
Plant equipment	$	55.3	$	38.1	$	34.3	$	6.4
Computer equipment	4.5		2.1		1.8		0.2
Vehicles	0.2		0.3		0.3		0.2
Leasehold improvement	13.5		9.9		9.8		6.2
Construction in progress - Rochester Hub	547.2		139.5		90.1		—
Construction in progress - Spoke Network	29.5		21.0		19.8		15.6
Construction in progress - Buildings	34.7		6.3		—		—
	$	684.9	$	217.2	$	156.1	$	28.6
Less – accumulated depreciation	(16.1)		(7.2)		(5.9)		(2.2)
Total property, plant and equipment, net	$	668.8	$	210.0	$	150.2	$	26.4