Employee Incentive Plan (Tables)

3 Months Ended

Mar. 31, 2014

Disclosure of Compensation Related Costs, Share-based Payments [Abstract]

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

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

	Three Months Ended   March 31,
	2014		2013
Cost of share-based compensation allocated Predecessor general and administrative expense (1)	$	2.8	$	3.1
Cost of share-based compensation charged to general and administrative     expense	1.0		—
Cost of share-based compensation charged to operating expense	0.2		—
Total amount charged to income	$	4.0	$	3.1
Interest of non-controlling partners in share-based compensation	$	0.5	$	—
Amount of related income tax benefit (expense) recognized in income	$	1.2	$	1.1

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

A summary of the restricted incentive unit activity for the three months ended March 31, 2014 is provided below:

	Three Months Ended March 31, 2014
EnLink Midstream Partners, LP Restricted Incentive Units:	Number of Units			Weighted Average Grant-Date  Fair Value
Non-vested, beginning of period	—			$	—
Assumed in business combination	371,225			30.51
Granted	361,926			31.55
Forfeited	(3,971		)	31.48
Non-vested, end of period	729,180			$	31.02
Aggregate intrinsic value, end of period (in millions)	$	22.2

Schedule Of Shared Based Compensation Restricted Stock And Restricted Stock Units Activity

A summary of the restricted units activities for the three months endedMarch 31, 2014 is provided below:

	Three Months Ended March 31, 2014
EnLink Midstream, LLC Restricted Units	Number of Units			Weighted Average Grant-Date Fair Value
Non-vested, beginning of period	—			$	—
Assumed in business combination	435,674			37.60
Granted	339,665			36.58
Forfeited	(3,415		)	36.60
Non-vested, end of period	771,924			$	37.16
Aggregate intrinsic value, end of period (in millions)	$	26.2