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Consolidated Statements Of Comprehensive Loss (USD $)
In Thousands, unless otherwise specified
12 Months Ended
May 31, 2013
May 31, 2012
May 31, 2011
Net income (loss) $ 24,550 $ 7,476 $ (64,913)
Other comprehensive income (loss)      
Unrealized actuarial gains (losses) of defined benefit plans net of tax expense (benefit) or $3,126 and $1,568 and $102, respectively 5,432 (13,449) 178
Reclassification adjustment for losses (gains) benefit plans net of tax benefit (expense) of $409, $(200) and $697, respectively 712 1,713 1,210
Total other comprehensive income (loss) 6,144 (11,736) 1,388
Comprehensive income (loss) $ 30,694 $ (4,260) $ (63,525)