XML 100 R83.htm IDEA: XBRL DOCUMENT v3.6.0.2
SHARE-BASED AWARDS AND OPTIONS - Stock Option Activity (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Millions
 7 Months Ended 12 Months Ended
Dec. 31, 2016
May 31, 2016
May 31, 2015
May 31, 2014
May 31, 2013
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]          
Outstanding, beginning of period (in shares) 811 894 1,532 3,530  
Granted (in shares) 73 145 306   0
Forfeited (in shares) (1) (8) (48)   (130)
Exercised (in shares) (124) (220) (896)   (1,868)
Outstanding, end of period (in shares) 759 811 894 1,532 3,530
Options vested and exercisable (in shares) 502        
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]          
Outstanding, Weighted Average Exercise Price, beginning of period (in dollars per share) $ 31.81 $ 25.47 $ 20.36 $ 17.55  
Granted, Weighted Average Exercise Price (in dollars per share) 74.66 55.92 35.78   $ 0
Forfeited, Weighted Average Exercise Price (in dollars per share) 22.93 16.10 27.42   19.69
Exercised, Weighted Average Exercise Price (in dollars per share) 22.26 22.46 20.15   15.20
Outstanding, Weighted Average Exercise Price, end of period (in dollars per share) 37.51 $ 31.81 $ 25.47 $ 20.36 $ 17.55
Options vested and exercisable, Weighted Average Exercise Price (in dollars per share) $ 28.88        
Weighted-Average Remaining Contractual Term          
Outstanding, Weighted Average Remaining Contractual Term 6 years 5 years 9 months 18 days 5 years 2 months 8 days 3 years 9 months 18 days 3 years 6 months
Options vested and exercisable, Weighted Average Remaining Contractual Term 4 years 8 months 12 days        
Aggregate Intrinsic Value          
Outstanding, Aggregate Intrinsic Value $ 24.5 $ 36.8 $ 23.9 $ 21.3 $ 23.9
Exercised 6.5 $ 9.4 $ 16.6 $ 24.9  
Options vested and exercisable, Aggregate Intrinsic Value $ 20.3