Pensions and Other Benefit Programs (Details) (USD $)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan Special Contributions	$ 95,000,000	$ 0
Defined Benefit Plans [Member] | United States Pension Plans of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	4,954,000	5,023,000
Interest cost	20,603,000	21,939,000
Expected return on plan assets	(30,618,000)	(29,818,000)
Amortization of transition credit	0	0
Amortization of prior service cost	205,000	36,000
Recognized net actuarial loss	13,314,000	9,414,000
Settlement	0	392,000
Curtailment	0	1,702,000
Net periodic benefit cost	8,458,000	8,688,000
Defined Benefit Plan Estimated Future Employer Contributions in Current Fiscal Year	100,000,000
Defined Benefit Plan Contributions By Employer	87,000,000
Defined Benefit Plans [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	2,018,000	1,885,000
Interest cost	6,923,000	7,057,000
Expected return on plan assets	(8,023,000)	(7,945,000)
Amortization of transition credit	(2,000)	(2,000)
Amortization of prior service cost	28,000	44,000
Recognized net actuarial loss	3,496,000	2,738,000
Settlement	0	0
Curtailment	0	0
Net periodic benefit cost	4,440,000	3,777,000
Defined Benefit Plan Estimated Future Employer Contributions in Current Fiscal Year	30,000,000
Defined Benefit Plan Contributions By Employer	16,000,000
Non Pension Postretirement Defined Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
Service cost	891,000	871,000
Interest cost	3,075,000	3,471,000
Amortization of prior service cost	(523,000)	(565,000)
Recognized net actuarial loss	2,367,000	1,994,000
Special termination benefits	0	67,000
Curtailment	0	850,000
Net periodic benefit cost	5,810,000	6,688,000
Defined Benefit Plan Contributions By Employer	$ 6,000,000	$ 6,000,000