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Actuarial Assumptions used to Compute Funded Status for U.K. Plan and Japan Plan (Detail) | Dec. 31, 2013 | Dec. 31, 2012
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UNITED KINGDOM |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average discount rate | 4.60% | 4.30%
Rate of inflation | 2.70% | 2.50%
JAPAN |  |
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] |  |
Weighted-average discount rate | 1.00% | 1.30%
Weighted-average rate of compensation increase | 3.00% | 3.00%

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- Definition Defined Benefit Plan Assumptions Used Calculating Benefit Obligation Inflation Rate + References No definition available. + Details
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- Definition The interest rate used to adjust for the time value of money for the plan. + 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 (k)(1) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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- Definition Expected rate of compensation increases (for pay-related plans). + 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 (k)(2) -URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920 + Details
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