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Stock-Based Compensation (Tables)
 3 Months Ended
Sep. 30, 2017
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Summary of Incentive Equity Awards
The activity related to the Company’s incentive equity awards for the three months ended September 30, 2017 consisted of the following:
 
Stock Options
 
Time-based
Restricted Stock Units
 
Performance-based
Restricted Stock Units
 
Number of
Options
 
Weighted-
Average
Exercise
Price
 
Number
of Shares
 
Weighted-
Average
Grant
Date Fair
Value
 
Number
of Shares
 
Weighted-
Average
Grant
Date Fair
Value
Balances at July 1, 2017
5,137,641

 
$
39.63

 
1,074,593

 
$
55.98

 
470,862

 
$
58.26

Granted
—

 
—

 
8,464

 
73.32

 
—

 
—

Exercise of stock options (a)
(86,608
)
 
21.63

 
—

 
—

 
—

 
—

Vesting of restricted stock units
—

 
—

 
(838
)
 
52.50

 
(15,033
)
 
54.36

Expired/forfeited
(72,642
)
 
37.65

 
(41,954
)
 
51.71

 
(52,863
)
 
34.50

Balances at September 30, 2017 (b), (c)
4,978,391

 
$
39.97

 
1,040,265

 
$
56.30

 
402,966

 
$
61.52


____________
(a)
Stock options exercised during the period of July 1, 2017 through September 30, 2017 had an aggregate intrinsic value of $4.8 million.

(b)
As of September 30, 2017, the Company’s outstanding vested and currently exercisable stock options using the September 30, 2017 closing stock price of $80.82 (approximately 2.7 million shares) had an aggregate intrinsic value of $131.0 million with a weighted-average exercise price of $31.50 and a weighted-average remaining contractual life of 5.4 years. The total of all stock options outstanding as of September 30, 2017 have a weighted-average remaining contractual life of 6.4 years.

(c)
As of September 30, 2017, time-based restricted stock units and performance-based restricted stock units expected to vest using the September 30, 2017 closing stock price of $80.82 (approximately 1.0 million and 0.4 million shares, respectively) had an aggregate intrinsic value of $79.9 million and $31.3 million, respectively.