Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2019

Commitments and Contingencies [Abstract]

Operating Leases

The following table presents information regarding our operating leases where we are the lessee at June 30, 2019:

Asset Category	ROU Asset Carrying Value (1)		Lease Liability Carrying     Value (2)		Weighted- Average Remaining Term	Weighted- Average Discount Rate (3)
Storage and pipeline facilities	$	144.3	$	145.0	16 years	4.3%
Transportation equipment		56.2		58.7	4 years	3.6%
Office and warehouse space		27.1		25.8	3 years	3.5%
Total	$	227.6	$	229.5

(1)	ROU asset amounts are a component of “Other assets” on our consolidated balance sheet.
(2)	At June 30, 2019, lease liabilities of $38.6 million and $190.9 million were included within “Other current liabilities” and “Other liabilities,” respectively.
(3)	The discount rate for each category of assets represents the weighted average of either (i) the implicit rate applicable to the underlying leases (where determinable) or (ii) our incremental borrowing rate adjusted for collateralization (if the implicit rate is not determinable).  In general, the discount rates are based on either (i) information available at the lease commencement date or (ii) January 1, 2019 for leases existing at the adoption date for ASC 842.

Consolidated Lease Expense

	For the Three Months Ended June 30, 2019		For the Six Months Ended June 30, 2019
Long-term operating leases:
Fixed lease expense	$	13.1	$	26.5
Variable lease expense		1.1		2.9
Subtotal operating lease expense		14.2		29.4
Short-term lease expense		11.7		23.5
Total operating lease expense	$	25.9	$	52.9