v2.4.0.8
Retirement Benefits (Details) (USD $)
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Defined Benefit Pension Plans
       
Components of net periodic pension expense        
Company contributions     $ 11,000,000  
Defined Benefit Pension Plans | Minimum
       
Components of net periodic pension expense        
Expected future benefit payments     20,000,000  
Defined Benefit Pension Plans | Maximum
       
Components of net periodic pension expense        
Expected future benefit payments     40,000,000  
Defined Benefit U.S. Pension Plans
       
Components of net periodic pension expense        
Service cost 1,613,000 1,489,000 4,840,000 4,468,000
Interest cost 7,275,000 8,323,000 21,825,000 24,970,000
Expected return on assets (7,744,000) (8,830,000) (23,232,000) (26,492,000)
Amortization of prior service cost 26,000 (28,000) 77,000 (85,000)
Recognized net actuarial loss 1,510,000 3,409,000 4,530,000 10,226,000
Net periodic pension expense 2,680,000 4,363,000 8,040,000 13,087,000
Defined Benefit Non-U.S. Pension Plans
       
Components of net periodic pension expense        
Service cost 3,809,000 1,921,000 11,505,000 5,815,000
Interest cost 7,989,000 8,070,000 23,925,000 24,518,000
Expected return on assets (11,527,000) (10,369,000) (34,507,000) (31,446,000)
Recognized net actuarial loss 1,683,000 786,000 5,058,000 2,352,000
Net periodic pension expense $ 1,954,000 $ 408,000 $ 5,981,000 $ 1,239,000