Revenue Recognition Revenue Recognition (Tables)

3 Months Ended

Mar. 31, 2020

Revenue from Contract with Customer [Abstract]

Disaggregation of Revenue [Table Text Block]

The following table reflects the disaggregation of revenue by major source (in millions):

	Three Months Ended March 31,
	2020		2019
Sales by major source
Standard specialty products	$	269.2	$	292.3
Packaged and synthetic specialty products	57.7		59.9
Total specialty products	326.9		352.2
Fuel and fuel related products	320.0		442.9
Asphalt	45.7		56.2
Total fuel products	365.7		499.1
Total sales	$	692.6	$	851.3