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Pension And Postretirement Benefits (Summary Of Benefit Obligations, Fair Value Of Plan Assets And Funded Status) (Details) (USD $)
 12 Months Ended
Dec. 31, 2012
Dec. 31, 2011
Defined Benefit Plan Disclosure [Line Items]    
Change in plan assets, Fair value of plan assets at end of year $ 735,580,000 $ 678,250,000
Pension Benefits [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Change in benefit obligation Beginning of year 786,592,000 674,136,000
Change in benefit obligation, Service cost 13,503,000 11,710,000
Change in benefit obligation, Interest cost 37,653,000 38,163,000
Change in benefit obligation, Plan participants' contributions 1,324,000 1,389,000
Change in benefit obligation, Amendments 3,000 177,000
Change in benefit obligation, Actuarial loss 104,539,000 96,558,000
Change in benefit obligation, Settlement (466,000) (123,000)
Change in benefits paid (35,561,000) (31,911,000)
Change in benefit obligation, Foreign currency exchange impact 15,513,000 (2,777,000)
Change in benefit obligation, Acquisition/divestitures/curtailment (16,223,000) 0
Change in benefit obligation, Adjustment for expenses/tax contained in service cost (613,000) (730,000)
Change in benefit obligation at end of year 906,264,000 786,592,000
Change in plan assets, Fair value of plan assets at beginning of year 678,250,000 661,319,000
Change in plan assets, Actual return on plan assets 73,981,000 3,192,000
Change in plan assets, Foreign currency exchange impact 14,877,000 (2,059,000)
Change in plan assets, Employer contributions 4,278,000 47,495,000
Change in plan assets, Acquisition/transferred asset (1,103,000) (1,056,000)
Change in plan assets, Plan participants' contributions 1,324,000 1,389,000
Change in plan assets, Settlement (466,000) (119,000)
Change in plan assets, Fair value of plan assets at end of year 735,580,000 678,250,000
Change in plan assets, Funded status (170,684,000) (108,342,000)
Postretirement Benefits [Member]
    
Defined Benefit Plan Disclosure [Line Items]    
Change in benefit obligation Beginning of year 12,562,000 13,108,000
Change in benefit obligation, Service cost 107,000 121,000
Change in benefit obligation, Interest cost 497,000 588,000
Change in benefit obligation, Amendments   0
Change in benefit obligation, Actuarial loss 670,000 129,000
Change in benefits paid (1,226,000) (1,374,000)
Change in benefit obligation, Foreign currency exchange impact 10,000 (10,000)
Change in benefit obligation at end of year 12,620,000 12,562,000
Change in plan assets, Funded status $ (12,620,000) $ (12,562,000)