Certain Balance Sheet Information (Tables)

6 Months Ended

Jun. 30, 2020

Balance Sheet Related Disclosures [Abstract]

Schedule of Accrued Liabilities

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

	CEQP				CMLP
	June 30,		December 31,		June 30,		December 31,
	2020		2019		2020		2019
Accrued expenses	$	35.1	$	61.6	$	33.7	$	60.3
Accrued property taxes	8.2		6.1		8.2		6.1
Income tax payable	0.3		0.3		0.3		0.3
Interest payable	25.0		25.6		25.0		25.6
Accrued additions to property, plant and equipment	14.9		38.0		14.9		38.0
Contingent consideration	19.0		—		19.0		—
Operating leases	17.8		18.1		17.8		18.1
Finance leases	3.3		3.2		3.3		3.2
Deferred revenue	10.2		8.8		10.2		8.8
Total accrued expenses and other liabilities	$	133.8	$	161.7	$	132.4	$	160.4

Other Noncurrent Liabilities [Table Text Block]

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

	CEQP				CMLP
	June 30,		December 31,		June 30,		December 31,
	2020		2019		2020		2019
Contract liabilities	$	159.6	$	144.7	$	159.6	$	144.7
Contingent consideration	38.0		57.0		38.0		57.0
Operating leases	32.9		41.5		32.9		41.5
Asset retirement obligations	34.6		33.3		34.6		33.3
Other	20.6		25.1		18.9		19.1
Total other long-term liabilities	$	285.7	$	301.6	$	284.0	$	295.6