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Stock-Based Compensation (Tables)
 3 Months Ended
Sep. 30, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Changes in stock options
Changes in our stock options for the three months ended September 30, 2018 were as follows:
 
Options
 
Weighted
Average
Exercise Price
 
Weighted Average Remaining Life (years)
 
Aggregate
Intrinsic value
(in thousands)
Options outstanding, June 30, 2018
989,992

 
$
33.08

 
 
 
 
Exercised
(107,880
)
 
29.45

 
 
 
 
Options outstanding, September 30, 2018
882,112

 
$
33.53

 
4.9
 
$
9,066

Options vested and expected to vest, September 30, 2018
882,112

 
$
33.53

 
4.9
 
$
9,066

Options exercisable, September 30, 2018
834,539

 
$
34.35

 
4.7
 
$
7,907
Changes in time vesting and performance vesting restricted stock units
Changes in our performance vesting and time vesting restricted stock units for the three months ended September 30, 2018 were as follows:
 
Performance Vesting Stock Units
 
Performance Vesting Weighted Average Fair Value
 
Time Vesting
Stock Units
 
Time Vesting Weighted Average Fair Value
Unvested, June 30, 2018
409,297

 
$
31.22

 
1,083,675

 
$
30.47

Granted
147,769

 
37.74

 
419,069

 
37.79

Vested
(36,394
)
 
31.13

 
(425,891
)
 
31.73

Performance metric adjustments, net
41,196

 
29.06

 
—

 
—

Forfeited
(44,179
)
 
31.04

 
(15,418
)
 
32.21

Unvested, September 30, 2018
517,689

 
$
32.93

 
1,061,435

 
$
32.85