Certain Balance Sheet Information (Tables)

3 Months Ended

Mar. 31, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule of Accrued Liabilities

Accrued expenses and other liabilities consisted of the following (in millions):

	CEQP				CMLP
	March 31,		December 31,		March 31,		December 31,
	2020		2019		2020		2019
Accrued expenses	$	29.7	$	61.6	$	28.3	$	60.3
Accrued property taxes	4.6		6.1		4.6		6.1
Income tax payable	0.4		0.3		0.4		0.3
Interest payable	52.0		25.6		52.0		25.6
Accrued additions to property, plant and equipment	21.7		38.0		21.7		38.0
Contingent consideration	19.0		—		19.0		—
Operating leases	18.6		18.1		18.6		18.1
Finance leases	3.3		3.2		3.3		3.2
Deferred revenue	9.0		8.8		9.0		8.8
Total accrued expenses and other liabilities	$	158.3	$	161.7	$	156.9	$	160.4

Other Noncurrent Liabilities [Table Text Block]

Other long-term liabilities consisted of the following (in millions):

	CEQP				CMLP
	March 31,		December 31,		March 31,		December 31,
	2020		2019		2020		2019
Contract liabilities	$	151.3	$	144.7	$	151.3	$	144.7
Contingent consideration	38.0		57.0		38.0		57.0
Operating leases	36.8		41.5		36.8		41.5
Asset retirement obligations	33.8		33.3		33.8		33.3
Other	20.1		25.1		18.5		19.1
Total other long-term liabilities	$	280.0	$	301.6	$	278.4	$	295.6