Cash Distributions and Net Income per Unit (Tables)

6 Months Ended

Jun. 30, 2017

Partners' Capital Notes [Abstract]

Distributions Made to Limited Partner, by Distribution

The following table provides a reconciliation of net income and the assumed allocation of net income to the common units for purposes of computing net income per unit for the three months ended June 30, 2017 (in millions, except per unit data):

	Total			Common Units			General Partner  and IDRs
Net income	$	23.7
Declared distribution	25.6			$	25.1		$	0.5
Assumed allocation of undistributed net loss	(1.9		)	(1.9		)	—
Assumed allocation of net income attributable to limited partner unitholders and general partner	$	23.7		$	23.2		$	0.5
Weighted-average units outstanding				250.3
Net income per unit				$	0.09

The following table provides a reconciliation of net income and the assumed allocation of net income to the common units for purposes of computing net income per unit for the three months ended June 30, 2016 (in millions, except per unit data):

	Total		Common Units		General Partner  and IDRs
Net income	$	65.7
Declared distribution	25.6		$	25.1	$	0.5
Assumed allocation of undistributed net income	40.1		39.3		0.8
Assumed allocation of net income attributable to limited partner unitholders and general partner	$	65.7	$	64.4	$	1.3
Weighted-average units outstanding			250.3
Net income per unit			$	0.26

The following table provides a reconciliation of net income and the assumed allocation of net income to the common units for purposes of computing net income per unit for the six months ended June 30, 2017 (in millions, except per unit data):

	Total		Common Units		General Partner  and IDRs
Net income	$	143.0
Declared distribution	51.1		$	50.1	$	1.0
Assumed allocation of undistributed net income	91.9		90.1		1.8
Assumed allocation of net income attributable to limited partner unitholders and general partner	$	143.0	$	140.2	$	2.8
Weighted-average units outstanding			250.3
Net income per unit			$	0.56

The following table provides a reconciliation of net income and the assumed allocation of net income to the common units for purposes of computing net income per unit for the six months ended June 30, 2016 (in millions, except per unit data):

	Total		Common Units		General Partner  and IDRs
Net income	$	166.7
Declared distribution	51.1		$	50.1	$	1.0
Assumed allocation of undistributed net income	115.6		113.3		2.3
Assumed allocation of net income attributable to limited partner unitholders and general partner	$	166.7	$	163.4	$	3.3
Weighted-average units outstanding			250.3
Net income per unit			$	0.65