Inventory (Tables)

3 Months Ended

Mar. 31, 2017

Inventory [Abstract]

Schedule of Inventory, Current [Table Text Block]

Carrying value of inventories consisted of the following (in millions):

	March 31, 2017		December 31, 2016
Refinery raw materials and supplies	$	185.7	$	145.6
Refinery work in process	35.4		37.6
Refinery finished goods	170.0		200.3
Logistics refined products	6.3		8.9
Total inventories	$	397.4	$	392.4