Employee Benefits - Estimated Future Benefit Payments (Detail) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2012
U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	$ 27,565
2014	28,916
2015	30,338
2016	31,466
2017	32,702
2018-2022	179,188
Required Company Contributions in the Following Year (2013)	3,933
Non-U.S. Pension Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	28,597
2014	28,488
2015	29,627
2016	30,172
2017	31,708
2018-2022	174,217
Required Company Contributions in the Following Year (2013)	18,142
Postretirement Benefit Plan [Member]
Defined Benefit Plan Disclosure [Line Items]
2013	5,050
2014	5,493
2015	5,888
2016	6,294
2017	6,725
2018-2022	38,443
Required Company Contributions in the Following Year (2013)	$ 5,050

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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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

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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- Definition

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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