Debt (Tables)

9 Months Ended

Feb. 28, 2019

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, 2019		May 31, 2018		February 28, 2018
Revolving Loan	$	—	$	—	$	—
Unsecured lines of credit (weighted average interest rates of 4.3%, 2.9% and 3.7%, respectively)	11.0		7.9		7.7
Total debt	$	11.0	$	7.9	$	7.7