XML 71 R60.htm IDEA: XBRL DOCUMENT v3.19.1
Stock-Based Compensation - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Mar. 31, 2019
Mar. 31, 2018
Mar. 31, 2019
Mar. 31, 2018
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]        
Stock-based compensation expense $ 17.4 $ 14.6 $ 46.8 $ 39.2
Related tax benefits 4.1 $ 4.3 10.7 $ 11.6
Unrecognized compensation cost related to non-vested stock options 19.6   19.6  
Unrecognized compensation cost related to restricted stock unit awards $ 53.9   $ 53.9  
Amortization period of unrecognized compensation cost for non-vested stock options     3 years 7 days  
Amortization period of unrecognized compensation cost for restricted stock awards     1 year 8 months 9 days