Quarterly report pursuant to Section 13 or 15(d)

Goodwill and Intangible Assets, Net of Accumulated Amortization (Narrative) (Details)

v3.19.1
Goodwill and Intangible Assets, Net of Accumulated Amortization (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Feb. 28, 2019
Feb. 28, 2018
Feb. 28, 2019
Feb. 28, 2018
May 31, 2018
[1]
Goodwill and Intangible Assets, Net of Accumulated Amortization [Abstract]          
Goodwill $ 1,781.5   $ 1,781.5   $ 814.0
Amortization expense $ 20.9 $ 5.1 $ 34.0 $ 14.3  
[1] Amounts have been adjusted to reflect the adoption of ASC Topic 606.