Summary of Significant Accounting Policies (Details 3) - USD ($) $ in Millions	3 Months Ended					12 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Planned Major Maintenance Costs
Turnaround costs						$ 38.1	$ 109.2	$ 6.8
Cost Classifications
Depreciation and amortization not included in direct operating expenses						184.5	156.4	148.1
Depreciation and amortization not included in selling, general and administrative expenses						$ 8.6	7.7	6.3
Revenue Recognition
Expected period of delivery of deferred revenue						12 months
Nitrogen fertilizer plants
Planned Major Maintenance Costs
Turnaround costs				$ 6.6	$ 0.4	$ 6.6	7.0	0.0
Nitrogen fertilizer plants \| Minimum
Planned Major Maintenance Costs
Frequency of planned major maintenance activities						2 years
Nitrogen fertilizer plants \| Maximum
Planned Major Maintenance Costs
Frequency of planned major maintenance activities						3 years
Petroleum refineries \| Minimum
Planned Major Maintenance Costs
Frequency of planned major maintenance activities						4 years
Petroleum refineries \| Maximum
Planned Major Maintenance Costs
Frequency of planned major maintenance activities						5 years
Coffeyville refinery
Planned Major Maintenance Costs
Turnaround costs	$ 2.1	$ 29.4	$ 84.9	$ 15.6	$ 1.7	$ 31.5	102.2	5.5
Wynnewood refinery
Planned Major Maintenance Costs
Turnaround costs						$ 0.0	$ 0.0	$ 1.3