Net Income Per Limited Partner Unit (Tables)

12 Months Ended

Dec. 31, 2016

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:

	2016		2015		2014
Net income	$	265.4	$	272.9	$	148.9
Less:
Net income attributable to the Parent	—		39.3		124.1
Net income attributable to noncontrolling interests	20.5		66.5		11.4
Net income attributable to the Partnership	244.9		167.1		13.4
Less:
General partner's distribution declared	24.2		4.0		0.3
Limited partners' distribution declared on common units	109.8		60.1		7.0
Limited partner's distribution declared on subordinated units	69.2		53.3		7.1
Income in excess of distributions	$	41.7	$	49.7	$	(1.0	)

Schedule of Basic and Diluted Net Income Per Unit

	2016
	General Partner		Limited Partners' Common Units		Limited Partner's Subordinated Units		Total
	(in millions of dollars, except per unit data)
Distributions declared	$	24.2	$	109.8	$	69.2	$	203.2
Income in excess of distributions	0.8		24.6		16.3		41.7
Net income attributable to the Partnership	$	25.0	$	134.4	$	85.5	$	244.9
Weighted average units outstanding (in millions):
Basic and diluted	3.5		101.9		67.5		172.9
Net income per limited partner unit (in dollars):
Basic and diluted			$	1.32	$	1.27

	2015
	General Partner		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 and diluted	2.9		73.4		67.5		143.8
Net income per limited partner unit (in dollars):
Basic and diluted			$	1.16	$	1.14

	2014
	General Partner		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
Income in excess of distributions	—		(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 and diluted	2.7		67.5			67.5			137.7
Net income per limited partner unit (in dollars):
Basic and diluted			$	0.10		$	0.10