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Stock-Based Compensation (Tables)
 3 Months Ended
Sep. 30, 2016
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Assumptions used in our Black-Scholes valuation
The assumptions used in our Black-Scholes valuation related to grants made during the three months ended September 30, 2015 were as follows:
Risk-free interest rate
 
1.4
%
Expected life (years) (2)
 
4.5

Expected volatility (3)
 
31.0
%
Expected dividend yield
 
2.0
%
(2) Expected life is derived from historical experience.
(3) Expected volatility is based on the implied historical volatility of our stock.
Changes in stock options
Changes in our stock options for the three months ended September 30, 2016 were as follows:
 
Options
 
Weighted
Average
Exercise Price
 
Weighted Average Remaining Life (years)
 
Aggregate
Intrinsic value
(in thousands)
Options outstanding, June 30, 2016
2,547,809

 
$
33.72

 
 
 
 
Granted
—

 
—

 
 
 
 
Exercised
(8,359
)
 
22.83

 
 
 
 
Lapsed or forfeited
(90,230
)
 
28.36

 
 
 
 
Options outstanding, September 30, 2016
2,449,220

 
$
33.95

 
4.6
 
$
3,431

Options vested and expected to vest, September 30, 2016
2,413,580

 
$
34.02

 
4.6
 
$
3,348

Options exercisable, September 30, 2016
1,826,158

 
$
35.84

 
3.2
 
$
1,245
Changes in time vesting and performance vesting restricted stock units
Changes in our time vesting and performance vesting restricted stock units for the three months ended September 30, 2016 were as follows:
 
Performance Vesting Stock Units
 
Performance Vesting Weighted Average Fair Value
 
Time Vesting
Stock Units
 
Time Vesting Weighted Average Fair Value
Unvested performance vesting and time vesting restricted stock units, June 30, 2016
115,467

 
$
36.96

 
1,014,744

 
$
31.97

Granted
235,241

 
26.35

 
582,219

 
24.98

Vested
(16,084
)
 
45.24

 
(276,114
)
 
36.76

Performance metric not achieved
(35,980
)
 
26.35

 
—

 
—

Forfeited
—

 
—

 
(27,830
)
 
28.46

Unvested performance vesting and time vesting restricted stock units, September 30, 2016
298,644

 
$
28.13

 
1,293,019

 
$
27.87