v2.4.0.8
CONSOLIDATED STATEMENTS OF COMPREHENSIVE LOSS (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Statement Of Income And Comprehensive Income [Abstract]    
Amortization of prior service costs (credits), taxes $ 130 $ 1,361
Amortization of actuarial losses (gains), taxes 423 537
Unrealized gains (losses) on derivatives, taxes 167 605
Reclassification adjustment for realized (gains) losses, taxes $ 867 $ 1,227