XML 65 R53.htm IDEA: XBRL DOCUMENT v3.3.1.900
Earnings Per Share (Details) - shares
3 Months Ended 6 Months Ended
Nov. 30, 2015
Nov. 30, 2014
Nov. 30, 2015
Nov. 30, 2014
Earnings Per Share [Abstract]        
Antidilutive securities 0 0 100,000 0
Basic weighted-average shares outstanding 129,505,000 134,754,000 129,919,000 135,528,000
Plus: Dilutive effect of stock options and other share-based awards 848,000 720,000 833,000 830,000
Diluted weighted-average shares outstanding 130,353,000 135,474,000 130,752,000 136,358,000