Debt (Tables)

6 Months Ended

Nov. 30, 2018

Debt Disclosure [Abstract]

Schedule of Debt

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

	November 30, 2018		May 31, 2018		November 30, 2017
Revolving Loan	$	—	$	—	$	—
Unsecured lines of credit (weighted average interest rates of 3.8%, 2.9% and 3.8%, respectively)	13.5		7.9		11.3
Total debt	$	13.5	$	7.9	$	11.3