Revenue (Tables)

12 Months Ended

Dec. 31, 2020

Revenue from Contract with Customer [Abstract]

Schedule of Disaggregation of Revenue

The following table presents revenues disaggregated by the major commodity groups as well as the product types included within the major commodity groups (in millions). The Company believes disaggregation by product type best depicts how cash flows are affected by economic factors. See Note 19, Geographic Information in the consolidated financial statements for revenues by geographical area.

	Years ended December 31,
	2020		2019		2018
Chemical & Petroleum
Chemicals	$	236.7	$	246.9	$	236.3
Petroleum	375.0		341.8		241.9
Plastics	152.1		148.5		143.9
Total	763.8		737.2		622.1
Industrial & Consumer Products
Forest Products	247.8		261.4		268.0
Metals & Scrap	188.4		232.9		208.2
Other	101.5		116.1		114.8
Total	537.7		610.4		591.0
Agriculture & Minerals
Grain	299.6		298.4		289.9
Food Products	154.6		149.4		145.7
Ores & Minerals	21.8		25.0		20.9
Stone, Clay & Glass	29.4		33.5		29.9
Total	505.4		506.3		486.4
Energy
Utility Coal	105.6		126.9		117.3
Coal & Petroleum Coke	41.8		43.2		44.3
Frac Sand	11.3		27.4		37.4
Crude Oil	36.3		48.7		57.3
Total	195.0		246.2		256.3
Intermodal	319.1		370.2		382.8
Automotive	172.7		255.6		253.2
Total Freight Revenues	2,493.7		2,725.9		2,591.8
Other Revenue	138.9		140.1		122.2
Total Revenues	$	2,632.6	$	2,866.0	$	2,714.0

Schedule of Changes in Contract Liabilities

The following tables summarize the changes in contract liabilities (in millions):

Contract liabilities	Years ended December 31,
	2020		2019
Beginning balance	$	30.5	$	32.4
Revenue recognized that was included in the contract liability balance at the beginning of the period	(30.2)		(32.4)
Increases due to consideration received, excluding amounts recognized as revenue during the period	29.6		30.5
Ending balance	$	29.9	$	30.5