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CONDENSED CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
Net income $ 78,657 $ 78,756 $ 121,987 $ 156,075
Other comprehensive income (loss), net of tax:        
Changes in net prior service credit and actuarial losses 1,557 1,102 5,259 3,581
Change in fair value of derivatives (587) (1,545) (965) (62)
Foreign currency translation 15,728 (26,519) 6,208 (12,373)
Other comprehensive income (loss) 16,698 (26,962) 10,502 (8,854)
Comprehensive income $ 95,355 $ 51,794 $ 132,489 $ 147,221