Employee Benefit Plans - Benefit Payments and Contributions (Details) (USD $)	12 Months Ended
Dec. 31, 2012
U.S. Pension Plan, Defined Benefit [Member]
Estimated Future Employer Contributions [Abstract]
Range of estimated future employer contributions in next fiscal year	$20 to $40 million
Expected Future Benefit Payments by Fiscal Year [Abstract]
2013	$ 33,861,000
2014	35,922,000
2015	36,893,000
2016	37,051,000
2017	38,371,000
2018 - 2022	209,999,000
Non-U.S. Pension Plans, Defined Benefit [Member]
Estimated Future Employer Contributions [Abstract]
Estimated future employer contributions in next fiscal year	14,000,000
Expected Future Benefit Payments by Fiscal Year [Abstract]
2013	9,980,000
2014	8,541,000
2015	8,257,000
2016	8,947,000
2017	9,188,000
2018 - 2022	52,397,000
Supplemental Employee Retirement Plans, Defined Benefit [Member]
Estimated Future Employer Contributions [Abstract]
Estimated future employer contributions in next fiscal year	20,000,000
Expected Future Benefit Payments by Fiscal Year [Abstract]
2013	20,092,000
2014	7,837,000
2015	34,466,000
2016	13,071,000
2017	6,856,000
2018 - 2022	76,289,000
Other Postretirement Benefit Plans, Defined Benefit [Member]
Expected Future Benefit Payments by Fiscal Year [Abstract]
2013	953,000
2014	986,000
2015	1,010,000
2016	1,000,000
2017	1,012,000
2018 - 2022	$ 4,404,000

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- Definition

The employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph g

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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- Definition

Descriptive information regarding the employer's best estimate, as soon as it can be reasonably determined, of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position. Estimated contributions may be presented in the aggregate combining (1) contributions required by funding regulations or laws, (2) discretionary contributions, and (3) noncash contributions. Description may include a range of expected contributions, required minimum contribution, whether the expected contribution is discretionary, and further explanation.

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- Definition

Amount of benefits expected to be paid in the five fiscal years after the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the next fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the fifth fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the fourth fiscal year following the latest fiscal year from a defined benefit plan.

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- Definition

Amount of benefits expected to be paid in the third fiscal year following the latest fiscal year from a defined benefit plan.

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Amount of benefits expected to be paid in the second fiscal year following the latest fiscal year from a defined benefit plan.

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