Annual report pursuant to Section 13 and 15(d)

Benefit Plans (Details 3)

v2.4.0.6
Benefit Plans (Details 3) (USD $)
In Thousands, unless otherwise specified
 12 Months Ended
Dec. 31, 2011
Dec. 31, 2010
Dec. 31, 2009
Amounts Recognized in Other Comprehensive Income (Loss) Before Tax      
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Beginning of Period $ (202,292) $ (173,029) $ (251,655)
Net actuarial (loss) gain      
Amounts Arising During the Year (104,146) (45,804) (6,155)
Amoritization included in net periodic benefit costs 28,077 23,313 14,153
Prior Service Cost      
Amounts Arising During the Year 0 0 69,986
Amoritization included in net periodic benefit costs (6,811) (6,777) (283)
Transition Obligation      
Amoritization included in net periodic benefit costs (5) 5 925
Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax End of Period (285,177) (202,292) (173,029)
Amounts Recognized in Other Comprehensive Income (Loss), Tax      
Change in pension and post-retirement benefit plan assets and liabilities, tax (expense) benefit Beginning of Period 70,803 60,561 88,080
Net Actuarial (loss) gain      
Amounts Arising During the Year 36,451 16,031 2,154
Amoritization included in net periodic benefit costs (9,827) (8,159) (4,954)
Prior Service Cost      
Amounts Arising During the Year 0 0 (24,494)
Amoritization included in net periodic benefit costs 2,384 2,372 99
Transition Obligation      
Amoritization included in net periodic benefit costs 2 (2) (324)
Change in pension and post-retirement benefit plan assets and liabilities, tax (expense) benefit End of Period 99,813 70,803 60,561
Amounts Recognized in Other Comprehensive Income (Loss), after Tax      
Accumulated Other Comprehensive Income (Loss), after Tax Beginning of Period (131,489) (112,468) (163,575)
Net actuarial (loss) gain      
Amounts Arising During the Year (67,695) (29,773) (4,001)
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net (Gain) Loss Recognized in Net Periodic Benefit Cost, Net of Tax 18,250 15,154 9,199
Prior Service Cost      
Amounts Arising During the Year 0 0 45,492
Other Comprehensive Income (Loss), Amortization, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost Recognized in Net Periodic Pension Cost, Net of Tax (4,427) (4,405) (184)
Transition Obligation      
Other Comprehensive Income (Loss), Reclassification, Pension and Other Postretirement Benefit Plans, Net Transition Asset (Obligation), Recognized in Net Periodic Benefit Cost, Net of Tax (3) 3 601
Accumulated Other Comprehensive Income (Loss), after Tax End of Period $ (185,364) $ (131,489) $ (112,468)