Quarterly report pursuant to Section 13 or 15(d)

Equity, Long-Term Incentive Compensation Plans and Non-controlling Interest - Employee Stock Purchase Plan (Details)

v3.19.1
Equity, Long-Term Incentive Compensation Plans and Non-controlling Interest - Employee Stock Purchase Plan (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Share-based Compensation Arrangement by Share-based Payment Award        
ESPP maximum employee subscription rate 15.00%   15.00%  
ESPP, offering period     6 months  
ESPP, discount from market price, lesser of commencement of offering period or purchase date     85.00%  
Employee Stock Purchase Plan Additional Information        
Total cash received from employees for the issuance of shares under the ESPP $ 0 $ 0 $ 20,556 $ 20,579
Number of shares purchased by employees through the ESPP (in shares) 0 0 270 264
Tax benefits realized by us in connection with the disqualifying dispositions of shares purchased under the ESPP $ 444 $ 787 $ 1,047 $ 1,681
Weighted-average fair value per share based on Black-Scholes model (in dollars per share) $ 21.25 $ 23.61 $ 21.67 $ 21.89
ESPP maximum annual share replenishment (in shares) 2,000   2,000  
Number of ESPP shares available for future issuance (in shares) 2,400   2,400  
Employee Stock Purchase Plan        
ESPP, Fair Value Assumptions and Methodology        
Expected stock price volatility 36.30% 31.50% 33.20% 28.70%
Risk-free interest rate 2.40% 1.30% 2.10% 1.10%
Dividend yield 3.30% 2.40% 3.10% 2.50%
Expected life (in years) 6 months 6 months 6 months 6 months