Equity Method Investments

As of September 30, 2016, our equity method investments consist of a 28.6% interest in Mars, 50.0% interest in Bengal and 36.0% interest in Poseidon. As of December 31, 2015, our equity method investments consisted of a 28.6% interest in Mars, 49.0% interest in Bengal and 36.0% interest in Poseidon.

Equity investments in affiliates comprise the following as of the dates indicated:



	September 30, 2016 ⁽¹⁾		December 31, 2015 ⁽²⁾
Mars	$	81.4	$	84.0
Bengal	76.7		75.6
Poseidon	16.1		25.4
	$	174.2	$	185.0

⁽¹⁾ As of September 30, 2016, the unamortized positive basis differences included in our equity investments in Mars and Poseidon were $10.4 million and $9.7 million, respectively. As of September 30, 2016, the unamortized negative basis difference included in our equity investment in Bengal was $5.8 million. These basis differences between our cost of the initial investments and our equity interests in the separate net assets within the financial statements of the investees at the date of the investments are amortized into net income over the remaining useful lives of the underlying assets.

⁽²⁾ As of December 31, 2015, the unamortized positive basis differences included in our equity investments in Mars and Poseidon were $11.1 million and $10.3 million, respectively. As of December 31, 2015, the unamortized negative basis difference included in our equity investment in Bengal was $6.0 million. These basis differences between our cost of the initial investments and our equity interests in the separate net assets within the financial statements of the investees at the date of the investments are amortized into net income over the remaining useful lives of the underlying assets.

Our equity investments in affiliates balance was affected by the following during the periods indicated:



	Three Months Ended September 30, 2016
	Mars		Bengal		Poseidon		Total
Distributions received	$	11.5	$	2.7	$	10.5	$	24.7
Income from equity investments ⁽¹⁾	8.6		5.2		7.6		21.4



	Nine Months Ended September 30, 2016
	Mars		Bengal		Poseidon		Total
Distributions received	$	34.5	$	16.1	$	31.9	$	82.5
Income from equity investments ⁽¹⁾	31.7		15.9		22.6		70.2



	Three Months Ended September 30, 2015
	Mars		Bengal		Poseidon ⁽²⁾		Total
Distributions received	$	7.7	$	5.1	$	10.4	$	23.2
Income from equity investments ⁽¹⁾	10.5		5.6		8.0		24.1



	Nine Months Ended September 30, 2015
	Mars		Bengal		Poseidon		Total
Distributions received	$	24.9	$	16.6	$	10.4	$	51.9
Income from equity investments ⁽¹⁾	23.6		15.8		8.0		47.4

⁽¹⁾Unamortized differences in the basis of the initial investments and our interest in the separate net assets within the financial statements of the investees, are amortized into net income over the remaining useful lives of the underlying assets. For the three months ended September 30, 2016, amortization expense (income) for Mars, Bengal and Poseidon was $0.2 million, $(0.1) million and $0.2 million, respectively, and for the nine months ended September 30, 2016, was $0.7 million, $(0.2) million and $0.6 million, respectively, which is included in the condensed consolidated statements of income. For the three months ended September 30, 2015, amortization expense (income) for Mars, Bengal and Poseidon was $0.2 million, $(0.1) million and $0.2 million respectively, and for the nine months ended September 30, 2015 was $0.7 million, $(0.2) million and $0.2 million, respectively, which is included in the condensed consolidated statements of income.

⁽²⁾The Poseidon ownership interest was effective July 1, 2015 with the July 2015 Acquisition.

Summarized Financial Information

The following tables present aggregated selected unaudited income statement data for our equity method investments in Mars, Bengal and Poseidon, on a 100% basis:



	Three Months Ended September 30, 2016
	Mars		Bengal		Poseidon
Statements of Income
Total revenues	$	54.0	$	17.3	$	31.3
Total operating expenses	23.1		7.2		8.2
Operating income	$	30.9	$	10.1	$	23.1
Net income ⁽¹⁾	$	30.9	$	10.3	$	22.0



	Nine Months Ended September 30, 2016
	Mars		Bengal		Poseidon
Statements of Income
Total revenues	$	175.5	$	52.3	$	90.7
Total operating expenses	62.1		20.7		22.5
Operating income	$	113.4	$	31.6	$	68.2
Net income ⁽¹⁾	$	113.4	$	31.7	$	64.7



	Three Months Ended September 30, 2015
	Mars		Bengal		Poseidon
Statements of Income
Total revenues	$	56.8	$	18.6	$	30.8
Total operating expenses	19.2		7.2		7.0
Operating income	$	37.6	$	11.4	$	23.8
Net income ⁽¹⁾	$	37.6	$	11.3	$	22.9



	Nine Months Ended September 30, 2015
	Mars		Bengal		Poseidon ⁽²⁾
Statements of Income
Total revenues	$	148.7	$	52.2	$	92.7
Total operating expenses	63.0		20.3		21.6
Operating income	$	85.7	$	31.9	$	71.1
Net income ⁽¹⁾	$	85.8	$	31.8	$	67.8

⁽¹⁾Difference between Operating income and Net income represents interest expense or interest income.

⁽²⁾The Poseidon ownership interest was effective July 1, 2015 with the July 2015 Acquisition.