Derivative Instruments and Hedging Activities (Tables)

12 Months Ended

May 31, 2014

Derivative Instruments and Hedging Activities

Schedule of fair value carrying amount of our interest rate derivatives

		Derivative Assets		Derivative Liabilities
	Balance Sheet Classification
Derivatives designated as hedging instruments:		May 31, 2014		May 31, 2014
Interest rate cap	Long-term assets	$	0.1	$	—
Interest rate swap	Long-term liabilities		—		(2.8	)

		Derivative Assets		Derivative Liabilities
	Balance Sheet Classification
Derivatives designated as hedging instruments:		May 31, 2013		May 31, 2013
Interest rate cap	Long-term assets	$	0.1	$	—
Interest rate swap	Long-term liabilities		—		(3.6	)