Equity (Tables)

3 Months Ended

Mar. 31, 2016

Equity [Abstract]

Schedule of Number of Units Outstanding

The changes in the number of units outstanding from December 31, 2015 through March 31, 2016 are as follows:

	Public	SPLC	SPLC	General
(in units)	Common	Common	Subordinated	Partner	Total
Balance as of December 31, 2015	62,892,308	21,475,068	67,475,068	3,098,825	154,941,269
Units issued in connection with ATM Offering	750,000	—	—	15,307	765,307
Units issued in connection with public offering	12,650,000	—	—	258,163	12,908,163
Balance as of March 31, 2016	76,292,308	21,475,068	67,475,068	3,372,295	168,614,739

Schedule of Distributions Declared and/or Paid

The following table details the distributions declared and/or paid for the periods presented:

Date Paid or		Public		SPLC		SPLC		General Partner						Distributions per Limited Partner Unit
to be Paid	Three Months Ended	Common		Common		Subordinated		Incentive		2%		Total
		(in millions, except per unit amounts)
February 12, 2015	December 31, 2014 (1)	$	4.8	$	2.2	$	7.1	$	—	$	0.3	$	14.4	$	0.1042
May 14, 2015	March 31, 2015	8.0		3.8		11.8		—		0.5		24.1		0.1750
August 13, 2015	June 30, 2015	10.2		4.1		12.8		0.1		0.5		27.7		0.1900
November 12, 2015	September 30, 2015	11.0		4.4		13.9		0.4		0.6		30.3		0.2050
February 11, 2016	December 31, 2015	13.8		4.7		14.9		1.2		0.7		35.3		0.2200
May 12, 2016 (2)	March 31, 2016	17.9		5.1		15.8		2.0		0.9		41.7		0.2350

⁽¹⁾  The fourth quarter 2014 minimum quarterly distribution was prorated for the 59-day period from November 3, 2014 to December 31, 2015 in accordance with the Partnership Agreement.

⁽²⁾  For more information see Note 12— Subsequent Events.