Employee Benefit Plans (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Amortization of:
Contribution to pension plans			$ 65,000,000
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year			75,000,000
Pension Benefits [Member]
Amortization of:
Net periodic benefit cost	6,289,000	9,971,000	14,423,000	20,592,000
Company Administered Plan [Member] | Pension Benefits [Member]
Components of net periodic benefit cost
Service cost	3,171,000	3,756,000	6,594,000	8,008,000
Interest Cost	25,135,000	22,316,000	50,696,000	44,735,000
Expected Return on Plan Assets	(29,284,000)	(26,389,000)	(58,002,000)	(52,837,000)
Amortization of:
Net actuarial loss (credit)	5,579,000	8,685,000	11,814,000	17,565,000
Prior service credit	(435,000)	(443,000)	(893,000)	(909,000)
Net periodic benefit cost	4,166,000	7,925,000	10,209,000	16,562,000
Company Administered Plan [Member] | Pension Benefits U.S. [Member]
Amortization of:
Net periodic benefit cost	4,499,000	8,152,000	10,786,000	16,893,000
Company Administered Plan [Member] | Pension Benefits Non-U.S. [Member]
Amortization of:
Net periodic benefit cost	(333,000)	(227,000)	(577,000)	(331,000)
Company Administered Plan [Member] | Postretirement Benefits [Member]
Components of net periodic benefit cost
Service cost	89,000	230,000	224,000	493,000
Interest Cost	348,000	392,000	713,000	787,000
Amortization of:
Net actuarial loss (credit)	(234,000)	(5,000)	(363,000)	(7,000)
Prior service credit	(615,000)	(57,000)	(1,230,000)	(115,000)
Net periodic benefit cost	(412,000)	560,000	(656,000)	1,158,000
Company Administered Plan [Member] | Postretirement Benefits U.S [Member]
Amortization of:
Net periodic benefit cost	(524,000)	402,000	(921,000)	808,000
Company Administered Plan [Member] | Postretirement Benefits Non-U.S [Member]
Amortization of:
Net periodic benefit cost	112,000	158,000	265,000	350,000
Union Administered Plan [Member] | Pension Benefits [Member]
Amortization of:
Net periodic benefit cost	$ 2,123,000	$ 2,046,000	$ 4,214,000	$ 4,030,000