Summary of Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2017

Accounting Policies [Abstract]

Schedule of Revenues

Revenues for the indicated years comprise the following: 

	2017		2016 (1)		2015 (1)
Transportation and terminaling services revenue - third party	$	226.9	$	242.9	$	259.8
Transportation and terminaling services revenue - related party	172.2		179.7		209.5
Total transportation revenue	399.1		422.6		469.3
Storage revenue - third party	8.7		8.6		8.6
Storage revenue - related party	6.0		8.6		7.6
Total storage revenue	14.7		17.2		16.2
Lease revenue - related parties	56.3		13.1		—
Total lease revenue	56.3		13.1		—
Total revenue	$	470.1	$	452.9	$	485.5

 ⁽¹⁾ The financial information presented has been retrospectively adjusted for acquisitions of businesses under common control.

Schedule of Future Minimum Payments to be Received for Operating Leases

As of December 31, 2017, future minimum payments to be received under the ten-year contract term of these operating leases were estimated to be:

	Total		Less than 1 year		Years 2 to 3		Years 4 to 5		More than 5 years
Operating leases	$	1,026.9	$	106.3	$	212.6	$	212.6	$	495.4

Schedule of Cost Method Investments

Cost method investments are reported as Cost investments in our consolidated balance sheets and dividends received are reported in Dividend income from cost investments in our consolidated income statements. Our cost investments include the following:

	December 31,
	2017			2016 (1)
	Ownership	Amount		Ownership	Amount
Colonial	6.0%	$	11.4	6.0%	$	11.4
Explorer	12.62%	48.6		12.62%	48.6
Cleopatra	1.0%	2.1		1.0%	2.1
		$	62.1		$	62.1

 ⁽¹⁾ The financial information presented has been retrospectively adjusted for acquisitions of businesses under common control.