Employee Benefit Plans (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011	Sep. 30, 2012	Sep. 30, 2011
Employee Benefit Plans (Textuals) [Abstract]
Contribution to pension plans			$ 77,400,000
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	3,100,000		3,100,000
Savings Plan Costs	7,600,000	9,600,000	23,700,000	30,100,000
Pension Benefits [Member]
Amortization of:
Net periodic benefit cost	12,408,000	8,714,000	36,976,000	25,705,000
Postretirement Benefits [Member]
Amortization of:
Net periodic benefit cost	712,000	926,000	2,123,000	2,852,000
Company Administered Plan [Member] | Pension Benefits [Member]
Components of net periodic benefit cost
Service cost	3,861,000	3,676,000	11,594,000	11,059,000
Interest Cost	23,651,000	24,374,000	70,903,000	73,248,000
Expected Return on Plan Assets	(24,091,000)	(25,441,000)	(72,203,000)	(76,477,000)
Amortization of:
Transition obligation	0	(8,000)	0	(23,000)
Net actuarial loss (gain)	7,803,000	5,054,000	23,390,000	15,185,000
Prior service credit	(570,000)	(568,000)	(1,706,000)	(1,710,000)
Net periodic benefit cost	10,654,000	7,087,000	31,978,000	21,282,000
Company Administered Plan [Member] | Pension Benefits U.S. [Member]
Amortization of:
Net periodic benefit cost	9,749,000	7,243,000	29,240,000	21,730,000
Company Administered Plan [Member] | Pension Benefits Non-U.S. [Member]
Amortization of:
Net periodic benefit cost	905,000	(156,000)	2,738,000	(448,000)
Company Administered Plan [Member] | Postretirement Benefits [Member]
Components of net periodic benefit cost
Service cost	274,000	323,000	821,000	973,000
Interest Cost	501,000	625,000	1,490,000	1,879,000
Amortization of:
Net actuarial loss (gain)	(5,000)	36,000	(15,000)	173,000
Prior service credit	(58,000)	(58,000)	(173,000)	(173,000)
Net periodic benefit cost	712,000	926,000	2,123,000	2,852,000
Company Administered Plan [Member] | Postretirement Benefits U.S [Member]
Amortization of:
Net periodic benefit cost	540,000	789,000	1,611,000	2,366,000
Company Administered Plan [Member] | Postretirement Benefits Non-U.S [Member]
Amortization of:
Net periodic benefit cost	172,000	137,000	512,000	486,000
Union Administered Plan [Member] | Pension Benefits [Member]
Amortization of:
Net periodic benefit cost	$ 1,754,000	$ 1,627,000	$ 4,998,000	$ 4,423,000