Quarterly report pursuant to Section 13 or 15(d)

Equity and Long-Term Incentive Compensation Plans - Employee Stock Purchase Plan (Details)

v3.5.0.2
Equity and Long-Term Incentive Compensation Plans - Employee Stock Purchase Plan (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]    
ESPP maximum employee subscription rate 10.00%  
Employee stock purchase plan offering period 6 months  
Share-based compensation arrangement, discount from market price, lesser of commencement of offering period or purchase date (percent) 85.00%  
Share-based Compensation Arrangement, Fair Value Assumptions and Methodology    
Expected stock price volatility (as a percent) 20.60% 23.90%
Risk-free interest rate (as a percent) 0.40% 0.10%
Dividend yield (as a percent) 2.90% 3.70%
Expected life (in years) 6 months 6 months
Employee Stock Purchase Plan Additional Information    
Tax benefits realized by the Company in connection with the disqualifying dispositions of shares purchased under the ESPP $ 704 $ 380
Weighted-average fair value per share based on Black-Scholes model (in dollars per share) $ 14.06 $ 11.34
ESPP maximum annual share replenishment (in shares) 2,000,000  
Number of ESPP shares available for future issuance (in shares) 1,400,000