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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Net gains on cash flow hedging instruments, deferred income taxes $ (437) $ (215)
Pension liability adjustments, deferred income taxes (4,091) 793
Unrealized gains on marketable securities, deferred income taxes $ (5) $ (4)