Discontinued Operations - Operating Results (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	May 31, 2012	May 31, 2011	May 31, 2010
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Operating income	$ 0	$ (602)	$ (24,310)
Loss from discontinued operations, net of tax	0	(975)	(3,901)
Disposition of DolEx and Europhil Branded Money Transfer Businesses [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Revenues			117,882
Operating income			7,724
Estimated loss on disposal			(24,567)
Other expense			(229)
Loss before income taxes			(17,072)
Income tax benefit			13,171
Loss from discontinued operations, net of tax			$ (3,901)