Schedule of Fair Value of non-U.S. Pension Plan Investments (Parenthetical) (Detail)	Dec. 31, 2012
Fixed Income Securities
Schedule of Postemployment Benefits [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	70.00%
Swap
Schedule of Postemployment Benefits [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	30.00%
Balanced pooled funds \| Fixed Income Securities
Schedule of Postemployment Benefits [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	60.00%
Balanced pooled funds \| Equity Securities
Schedule of Postemployment Benefits [Line Items]
Defined Benefit Plan, Actual Plan Asset Allocations	40.00%

Percentage of fair value of investments (categorized by debt securities, equity securities, real estate and other plan assets) to the fair value of plan assets held.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 5

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e2446-114920

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (d)(1)

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

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph d(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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