Debt (Tables)

6 Months Ended

Nov. 30, 2017

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, 2017		May 31, 2017		November 30, 2016
Revolving Loan	$	—	$	—	$	—
Unsecured short term lines of credit (weighted average interest rates of 3.8%, 4.1% and 4.1%, respectively)	11.3		6.2		7.3
Total debt	$	11.3	$	6.2	$	7.3