Property, Plant and Equipment

12 Months Ended

Dec. 31, 2022

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,
	2022		2021
Land	$	60.0	$	57.5
Building and building improvements	110.4		113.6
Refinery machinery and equipment	2,095.4		2,006.1
Pipelines and terminals	1,103.9		637.2
Retail store equipment and site improvements	77.8		61.3
Refinery turnaround costs	485.3		351.2
Other equipment	169.4		152.3
Construction in progress	246.8		266.2
	$	4,349.0	$	3,645.4
Less: accumulated depreciation	(1,572.6)		(1,338.1)
	$	2,776.4	$	2,307.3

Depreciation of property, plant and equipment assets was $272.0 million, $257.2 million and $260.0 million during the years ended December 31, 2022, 2021 and 2020, respectively, and is included in depreciation and amortization on the accompanying consolidated statements of income.