Annual report pursuant to Section 13 and 15(d)

Supplemental Cash Flow Information (Details)

v3.5.0.2
Supplemental Cash Flow Information (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2016
May 31, 2015
May 31, 2014
Supplemental Cash Flow Information [Abstract]      
Income taxes paid $ 369.9 $ 372.8 $ 317.8
Lease incentives received $ 4.3 $ 8.5 $ 6.7