Note 17. Income Taxes (Detail) - Geographic Breakdown of (Loss) Income Before Income Taxes (USD $) In Thousands, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Aug. 19, 2011	May 31, 2012	May 31, 2011	May 31, 2010
(Loss) income before income taxes	$ (3,693)	$ (81,193)	$ 130,630	$ 125,212
United States [Member]
(Loss) income before income taxes	(10,820)	(69,012)	105,060	105,181
Foreign Countries [Member]
(Loss) income before income taxes	$ 7,127	$ (12,181)	$ 25,570	$ 20,031