Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies (Narrative) (Details)

v3.19.2
Commitments and Contingencies (Narrative) (Details) - USD ($)
$ in Millions
12 Months Ended
May 31, 2019
May 31, 2018
May 31, 2017
Commitments and Contingencies [Abstract]      
Rent expense $ 42.9 $ 39.9 $ 39.7
Minimum future payment obligations under purchase orders, legally binding contractual arrangements, and under existing workers' compensation insurance agreements 289.9    
Commitments to purchase capital assets $ 5.6