Employee Incentive Plans (Tables)

12 Months Ended

Dec. 31, 2016

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Amounts recognized in the consolidated financial statements with respect to these plans are as follows (in millions):

	Year Ended December 31,
	2016		2015		2014
Cost of unit-based compensation allocated to Predecessor general and administrative expense (1)	$	—	$	—	$	2.8
Cost of unit-based compensation charged to general and administrative expense		23.7		31.1		16.9
Cost of unit-based compensation charged to operating expense		6.6		5.0		2.7
Total amount charged to income	$	30.3	$	36.1	$	22.4
Interest of non-controlling partners in unit-based compensation	$	11.3	$	14.0	$	8.3
Amount of related income tax expense recognized in net income	$	7.1	$	8.3	$	5.3

(1) Unit-based compensation expense was treated as a contribution by the Predecessor in the consolidated statements of changes in member’s equity for the year ended December 31, 2014.

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

A summary of the restricted incentive unit activities for the year ended December 31, 2016 is provided below:

	Year Ended
	December 31, 2016
			Weighted
			Average
	Number of		Grant-Date
EnLink Midstream, LLC Restricted Incentive Units:	Units		Fair Value
Non-vested, beginning of period		1,148,893	$	34.78
Granted		1,146,067		10.16
Vested (1)		(340,234)		36.55
Forfeited		(57,428)		22.67
Non-vested, end of period		1,897,298	$	19.96
Aggregate intrinsic value, end of period (in millions)	$	36.1

Vested units include 97,087 units withheld for payroll taxes paid on behalf of employees.

Schedule of Share Based Compensation Restricted Stock and Restricted Stock Units Vested and Fair Value Vested

A summary of the restricted units’ aggregate intrinsic value (market value at vesting date) and fair value of units vested (market value at date of grant) during the years ended December 31, 2016 and 2015 are provided below (in millions):

	Year Ended December 31,
EnLink Midstream LLC Restricted Incentive Units:	2016		2015
Aggregate intrinsic value of units vested	$	4.1	$	9.2
Fair value of units vested	$	12.4	$	9.8

Schedule of Share Based Payment Award Other Than Stock Options Valuation Assumption

The following table presents a summary of the grant-date fair values of performance units granted and the related assumptions:

EnLink Midstream, LLC Performance Units:		Beginning TSR Price	Risk-free interest rate		Volatility factor		Distribution yield
2016
January 2016	$	15.38	1.10	%	46.02	%	8.60	%
February 2016	$	15.38	0.89	%	52.05	%	14.00	%
October 2016	$	16.75	0.91	%	52.89	%	6.10	%
2015
March 2015	$	34.24	0.99	%	33.02	%	2.98	%

Schedule of Nonvested Performance-based Units Activity

The following table presents a summary of the Company’s performance units:

	Year Ended
	December 31, 2016
			Weighted
			Average
	Number of		Grant-Date
EnLink Midstream, LLC Performance Units:	Units		Fair Value
Non-Vested, beginning of period		105,080	$	40.50
Granted		281,709		11.58
Forfeited		(2,525)		41.31
Non-vested, end of period		384,264	$	19.30
Aggregate intrinsic value, end of period (in millions)	$	7.3

EnLink Midstream Partners, LP

Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity

A summary of the restricted incentive unit activity for the year ended December 31, 2016 is provided below:

	Year Ended
	December 31, 2016
			Weighted
			Average
	Number of		Grant-Date
EnLink Midstream Partners, LP Restricted Incentive Units:	Units		Fair Value
Non-vested, beginning of period		1,253,729	$	29.59
Granted		1,149,105		10.71
Vested (1)		(316,677)		30.08
Forfeited		(61,337)		21.23
Non-vested, end of period		2,024,820	$	19.05
Aggregate intrinsic value, end of period (in millions)	$	37.3

Vested units include 91,110 units withheld for payroll taxes paid on behalf of employees.

Schedule of Share Based Compensation Restricted Stock and Restricted Stock Units Vested and Fair Value Vested

A summary of the restricted incentive units’ aggregate intrinsic value (market value at vesting date) and fair value of units vested (market value at date of grant) during the years ended December 31, 2016 and 2015 are provided below (in millions):

	Year Ended December 31,
EnLink Midstream Partners, LP Restricted Incentive Units:	2016		2015
Aggregate intrinsic value of units vested	$	4.1	$	7.5
Fair value of units vested	$	9.5	$	8.1

Schedule of Share Based Payment Award Other Than Stock Options Valuation Assumption

The following table presents a summary of the grant-date fair values of performance units granted and the related assumptions:

EnLink Midstream Partners, LP Performance Units:		Beginning TSR Price	Risk-free interest rate		Volatility factor		Distribution yield
2016
January 2016	$	14.82	1.10	%	39.71	%	12.10	%
February 2016	$	14.82	0.89	%	42.33	%	19.20	%
October 2016	$	17.71	0.91	%	44.62	%	8.80	%
2015
March 2015	$	27.68	0.99	%	33.01	%	5.66	%

Schedule of Nonvested Performance-based Units Activity

The following table presents a summary of the Partnership’s performance units:

	Year Ended
	December 31, 2016
			Weighted
			Average
	Number of		Grant-Date
EnLink Midstream Partners, LP Performance Units:	Units		Fair Value
Non-Vested, beginning of period		118,126	$	35.41
Granted		293,309		11.53
Forfeited		(2,798)		36.18
Non-vested, end of period		408,637	$	11.53
Aggregate intrinsic value, end of period (in millions)	$	7.5