Accrued Severance (Tables)

6 Months Ended

Nov. 30, 2013

Disclosure For Accrued Severance [Abstract]

Schedule Of Accrued Severance Costs [Table Text Block]

The table below provides information regarding Accrued severance, which is included in “Other accrued expenses” in the Company’s condensed consolidated balance sheets.

	Six months ended November 30, 2013			Twelve months ended May 31, 2013			Six months ended November 30, 2012
Beginning balance	$	3.3		$	2.7		$	2.7
Accruals		7.8			13.4			2.1
Payments		(6.1	)		(12.8	)		(2.9	)
Ending balance	$	5.0		$	3.3		$	1.9