Related Party Agreements and Transactions (Tables)

9 Months Ended

Sep. 30, 2015

Sales to related parties were as follows:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
MPC	$	122.7	$	114.1	$	360.7	$	336.0

Summary of Fees Received for Operating Pipelines for Related Parties Included in Other Income - Related Parties

The revenue received for operating pipelines for related parties is included in other income-related parties on the consolidated statements of income were as follows:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
MPC	$	6.1	$	5.5	$	17.9	$	16.0
Centennial	0.2		0.3		0.8		0.8
Muskegon	—		—		0.1		0.1
Total	$	6.3	$	5.8	$	18.8	$	16.9

Summary of Charges for Services Included in Purchases from Related Parties

Charges for services included in purchases from related parties primarily relate to services that support our operations and maintenance activities, as well as compensation expenses. These charges were as follows:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
MPC	$	6.6	$	6.0	$	18.4	$	18.1

Charges for services included in general and administrative expenses primarily relate to services that support our executive management, accounting and human resources activities. These charges were as follows:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
MPC	$	8.1	$	7.8	$	24.2	$	23.1

In addition, some service costs related to engineering services are associated with assets under construction. These costs added to property, plant and equipment were as follows:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
MPC	$	3.2	$	1.9	$	9.4	$	4.1

Employee Services Expenses from Related Parties

Employee services expenses from related parties were as follows:



	Three Months Ended September 30,				Nine Months Ended September 30,
(In millions)	2015		2014		2015		2014
Purchases from related parties	$	19.9	$	17.7	$	56.7	$	53.3
General and administrative expenses	6.1		5.6		20.2		16.6
Total	$	26.0	$	23.3	$	76.9	$	69.9

Receivables from Related Parties

Receivables from related parties were as follows:



(In millions)	September 30, 2015		December 31, 2014
MPC	$	54.3	$	40.5
Centennial	0.5		0.3
Muskegon	0.1		0.2
Total	$	54.9	$	41.0

Payables to Related Parties

Payables to related parties were as follows:



(In millions)	September 30, 2015		December 31, 2014
MPC	$	24.6	$	20.1
Centennial	0.5		0.1
Total	$	25.1	$	20.2

Summary of Deferred Revenue - Related Parties

The deferred revenue-related parties balance associated with the minimum volume deficiencies and project reimbursements were as follows:



(In millions)	September 30, 2015		December 31, 2014
Minimum volume deficiencies - MPC	$	33.7	$	29.9
Project reimbursements - MPC	5.2		4.6
Total	$	38.9	$	34.5