XML 92 R5.htm IDEA: XBRL DOCUMENT v2.4.0.6
Consolidated Statements of Comprehensive Income (Loss) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2010
Consolidated Statements of Comprehensive Income (Loss) [Abstract]      
Actuarial loss recognized in change of projected benefit obligation $ 0 $ 0 $ 0