Net Income Per Limited Partner Unit (Tables)

12 Months Ended

Dec. 31, 2015

Partners Capital Notes [Abstract]

Schedule of Allocation of Net Income to Arrive at Net Income Per Limited Partner Unit

The following tables show the allocation of net income to arrive at net income per limited partner unit:

	2015		2014
Net income	$	272.9	$	148.9
Less:
Net income attributable to the Predecessors		39.3		124.1
Net income attributable to noncontrolling interests		66.5		11.4
Net income attributable to the Partnership		167.1		13.4
Less:
General partner's distribution declared		4.0		0.3
Limited partners' distribution declared on common units		60.1		7.0
Limited partner's distribution declared on subordinated units		53.3		7.1
Income in excess of distributions (distributions in excess of income)	$	49.7	$	(1.0	)

Schedule of Basic and Diluted Net Income Per Unit

	2015
	GeneralPartner		Limited Partners' Common Units		Limited Partner's Subordinated Units		Total
	(in millions of dollars, except per unit data)
Distributions declared	$	4.0	$	60.1	$	53.3	$	117.4
Income in excess of distributions		1.0		25.4		23.3		49.7
Net income attributable to the Partnership	$	5.0	$	85.5	$	76.6	$	167.1
Weighted average units outstanding (in millions):
Basic		2.9		73.4		67.5		143.8
Diluted		2.9		73.4		67.5		143.8
Net income per limited partner unit (in dollars):
Basic			$	1.16	$	1.14
Diluted			$	1.16	$	1.14

	2014
	GeneralPartner		Limited Partners' Common Units			Limited Partner's Subordinated Units			Total
	(in millions of dollars, except per unit data)
Distributions declared	$	0.3	$	7.0		$	7.1		$	14.4
Distributions in excess of net income subsequent to the IPO		—		(0.5	)		(0.5	)		(1.0	)
Net income attributable to the Partnership	$	0.3	$	6.5		$	6.6		$	13.4
Weighted average units outstanding (in millions):
Basic		2.7		67.5			67.5			137.7
Diluted		2.7		67.5			67.5			137.7
Net income per limited partner unit (in dollars):
Basic			$	0.10		$	0.10
Diluted			$	0.10		$	0.10