Property, Plant and Equipment

12 Months Ended

Dec. 31, 2024

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, Plant and Equipment

Property, plant and equipment, at cost, consist of the following (in millions):

	December 31,
	2024		2023
Land	$	41.2	$	31.1
Building and building improvements	53.4		54.7
Refinery machinery and equipment	2,349.1		2,260.1
Pipelines and terminals	1,454.1		1,224.8
Refinery turnaround costs	526.6		538.8
Other equipment	187.6		171.8
Construction in progress	336.4		179.0
	$	4,948.4	$	4,460.3
Less: accumulated depreciation	(2,008.4)		(1,764.0)
	$	2,940.0	$	2,696.3

Depreciation of property, plant and equipment assets was $347.7 million, $314.5 million and $260.4 million during the years ended December 31, 2024, 2023 and 2022, respectively, and is included in depreciation and amortization on the accompanying consolidated statements of income.