Debt (Tables)

9 Months Ended

Feb. 28, 2018

Debt Disclosure [Abstract]

Schedule of Debt

The following table summarizes the carrying value of the Company's debt as of the dates indicated:

	February 28, 2018		May 31, 2017		February 28, 2017
Revolving Loan	$	—	$	—	$	—
Unsecured short term lines of credit (weighted average interest rates of 3.7%, 4.1% and 3.9%, respectively)	7.7		6.2		5.8
Total debt	$	7.7	$	6.2	$	5.8