Property, Plant and Equipment

12 Months Ended

Dec. 31, 2018

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



	December 31,
	2018			2017
Land	$	66.2		$	54.0
Building and building improvements	108.7			67.9
Refinery machinery and equipment	1,801.8			1,823.4
Pipelines and terminals	412.2			314.3
Retail store equipment and site improvements	37.8			75.5
Refinery turnaround costs	166.9			124.8
Other equipment	124.9			108.2
Construction in progress	281.1			204.4
	$	2,999.6		2,772.5
Less: accumulated depreciation	(804.7		)	(631.7		)
	$	2,194.9		$	2,140.8

Property, plant and equipment, accumulated depreciation and depreciation expense by reporting segment are as follows (in millions):



	As of and For the Year Ended December 31, 2018
	Refining			Logistics			Retail			Corporate, Other and Eliminations			Consolidated
Property, plant and equipment	$	2,230.6		$	452.7		$	146.5		$	169.8		$	2,999.6
Less: Accumulated depreciation	(584.2		)	(140.2		)	(29.3		)	(51.0		)	(804.7		)
Property, plant and equipment, net	$	1,646.4		$	312.5		$	117.2		$	118.8		$	2,194.9
Depreciation expense	$	124.2		$	25.9		$	23.8		$	15.1		$	189.0



	As of and For the Year Ended December 31, 2017
	Refining			Logistics			Retail			Corporate, Other and Eliminations			Consolidated
Property, plant and equipment	$	2,112.2		$	367.2		$	141.9		$	151.2		$	2,772.5
Less: Accumulated depreciation	(474.8		)	(112.1		)	(6.7		)	(38.1		)	(631.7		)
Property, plant and equipment, net	$	1,637.4		$	255.1		$	135.2		$	113.1		$	2,140.8
Depreciation expense	$	106.8		$	20.9		$	6.6		$	15.2		$	149.5