Debt (Tables)

9 Months Ended

Feb. 28, 2015

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, 2015			May 31, 2014			February 28, 2014
Loan Agreement:
Revolving Loan (interest rates of 1.4%, 1.3%       and 1.3%, respectively)	$	65.0		$	120.0		$	175.0
Unsecured lines of credit (weighted average interest      rates of 2.7%, 2.3% and 4.8%, respectively)	$	19.1		$	15.8		$	4.7
Total debt	$	84.1		$	135.8		$	179.7
Less lines of credit, short-term debt and current     portion of long-term debt	(19.1		)	(15.8		)	(4.7		)
Total long-term debt	$	65.0		$	120.0		$	175.0

Schedule of Maturities of Long-term Debt

The following table sets forth the maturities of the Company’s debt obligations as of February 28, 2015, for the twelve-month periods ending February 28,

2016	$	19.1
2017	—
2018	65.0
2019	—
Total debt	$	84.1