STOCK-BASED COMPENSATION (Tables)

9 Months Ended

Mar. 31, 2017

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

The following tables summarize the Company’s stock-based compensation expense for liability and equity classified awards included in the condensed consolidated statements of operations.

	Three Months Ended March 31,				Nine Months Ended March 31,
	2017		2016		2017		2016
	(in millions)
Included in:
Operating costs	$	2.1	$	3.7	$	8.7	$	15.5
Selling, general and administrative expenses		24.4		29.8		84.3		107.0
Total stock-based compensation expense	$	26.5	$	33.5	$	93.0	$	122.5
CII common units	$	—	$	13.6	$	10.1	$	59.5
Part A restricted stock units		17.5		12.7		57.6		32.9
Part B restricted stock units		8.6		6.9		24.3		29.3
Part C restricted stock units		0.4		0.3		1.0		0.8
Total stock-based compensation expense	$	26.5	$	33.5	$	93.0	$	122.5

Summary Of Part B RSU Issuance

	During the three months ended
	March 31, 2017		December 31, 2016		September 30, 2016
Part B RSUs granted		171,316		191,015		200,425
Maximum eligible shares of the Company's common stock		880,564		981,817		1,030,185
Grant date fair value per Part B RSU	$	27.39	$	75.56	$	47.00
Units converted to Company's common stock at vesting date		n/a		n/a		n/a

	During the three months ended
	June 30, 2016		March 31, 2016		December 31, 2015		September 30, 2015
Part B RSUs granted		312,516		284,773		282,074		272,813
Maximum eligible shares of the Company's common stock		1,606,332		1,463,733		1,449,860		1,426,812
Grant date fair value per Part B RSU	$	37.03	$	25.12	$	25.26	$	17.83
Units converted to Company's common stock at vesting date		1,078,812		475,446		40,182		—

Part A Restricted Stock Units [Member]

Summary Of Restricted Stock Units Activity

	Number of Part A RSUs	Weighted average grant-date fair value per share		Weighted average remaining contractual term in months
Outstanding at July 1, 2016	2,169,901	$	26.04	7.9
Granted	1,988,570		31.56
Vested	(1,475,020)		25.29
Forfeited	(290,860)		n/a
Outstanding at March 31, 2017	2,392,591	$	30.67	7.2

Part B Restricted Stock Units [Member]

Summary Of Restricted Stock Units Activity

	Number of Part B RSUs	Weighted average grant-date fair value per unit		Weighted average remaining contractual term in months
Outstanding at July 1, 2016	860,936	$	29.50	6.2
Granted	562,756		50.72
Vested	(652,532)		29.46
Forfeited	(211,398)		n/a
Outstanding at March 31, 2017	559,762	$	50.72	5.8