Debt (Tables)

9 Months Ended

Feb. 29, 2020

Debt Disclosure [Abstract]

Schedule of Debt

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

	February 29, 2020		May 31, 2019		February 28, 2019
Revolving Loan	—		—		—
Unsecured lines of credit (weighted average interest rates of 4.6%, 4.1% and 4.3%, respectively)	$9.7		$7.3		$11.0
UK long-term debt (average interest rate of 2.5%, n/a and n/a, respectively)	6.4		—		—
Total debt	$16.1		$7.3		$11.0
Less lines of credit, short-term debt and current     portion of long-term debt	(9.7	)	(7.3	)	(11.0	)
Total long-term debt	$6.4		$0.0		$0.0