Investment Income, Net (Tables)

3 Months Ended

Aug. 31, 2018

Investment Income, Net [Abstract]

Schedule of Investment Income, Net

	For the three months ended
	August 31,
In millions	2018		2017
Interest income on corporate funds	$	3.2	$	2.9
Interest expense		(0.9)		(0.8)
Investment income, net	$	2.3	$	2.1