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Pension and Other Postretirement Benefits - Asset Categories Based on the Nature and Risks of the Plan Assets (Detail)
In Thousands, unless otherwise specified
Dec. 31, 2013
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
GBP (£)
Dec. 31, 2012
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
GBP (£)
Dec. 31, 2011
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2011
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Energy [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2013
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2012
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Energy [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2013
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2012
Quoted Prices in Active Markets for Identical Inputs (Level 1) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Energy [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2013
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2012
Significant Other Observable Inputs (Level 2) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2011
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Equity Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Fixed - Income Securities [Member]
U.K. [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
Foreign Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2011
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Capital Goods [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Chemicals [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Property [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Commercial Services [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Electronics [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Food Processing [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Health Care [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Limited Partnerships - Public Equity [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Manufacturing [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Retail [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
U.S. [Member]
U.S., Other [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Common Collective Trust Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Engineering & Construction [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Oil & Gas [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Technology [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Bank & Financial Services [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Energy [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
Real Estate [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Equity Securities [Member]
International [Member]
International, Other [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Preferred (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Fixed - Income Securities [Member]
Other (Fixed Income Securities) [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Hedge and Absolute Return Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Alternative Investments [Member]
Managed Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Commingled Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Mutual Funds [Member]
USD ($)
Dec. 31, 2013
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Dec. 31, 2012
Significant Unobservable Inputs (Level 3) [Member]
U.S. Pension Benefits [Member]
Other (Primarily Cash and Cash Equivalents) [Member]
Other [Member]
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        
Asset categories based on the nature and risks of the plans assets $ 48,536 £ 29,315 $ 41,875 £ 25,774 $ 36,436 $ 22,129 $ 18,417 $ 18,086 $ 15,140 $ 4,043 $ 3,277 $ 15,211 $ 14,341 $ 11,041 $ 9,031 $ 155 $ 86 $ 164,085 $ 140,218 $ 133,403 $ 93,101 $ 77,080 $ 1,751 $ 1,269 $ 2,203 $ 1,864 $ 1,747 $ 1,919 $ 1,052 $ 1,192 $ 37,495 $ 30,451 $ 1,371 $ 1,208 $ 1,096 $ 794 $ 3,339 $ 3,549 $ 1,216 $ 830 $ 9,125 $ 7,251 $ 2,653 $ 1,868 $ 2,342 $ 3,322 $ 1,006 $ 870 $ 1,855 $ 879 $ 6,300 $ 5,196 $ 7,024 $ 5,916 $ 1,187 $ 1,969 $ 1,366 $ 1,004 $ 1,808 $ 1,255 $ 763 $ 1,440 $ 1,929 $ 3,756 $ 3,751 $ 26,859 $ 20,921 $ 17,159 $ 14,482 $ 5,851 $ 5,755 $ 3,849 $ 684 $ 40,822 $ 36,554 $ 8,389 $ 6,490 $ 32,433 $ 30,064 $ 3,303 $ 5,663 $ 1,065 $ 696 $ 64 $ 2,944 $ 2,174 $ 2,023 $ 37,495 $ 32,844 $ 22,129 $ 18,417 $ 18,086 $ 15,140 $ 4,043 $ 3,277 $ 15,211 $ 14,341 $ 0 $ 0 $ 155 $ 86 $ 56,671 $ 52,119 $ 48,582 $ 40,713 $ 1,751 $ 1,269 $ 2,203 $ 1,864 $ 1,747 $ 1,919 $ 1,052 $ 1,192 $ 0 $ 0 $ 1,371 $ 1,208 $ 1,096 $ 794 $ 3,339 $ 3,549 $ 1,216 $ 830 $ 9,125 $ 7,251 $ 2,653 $ 1,868 $ 2,342 $ 3,322 $ 1,006 $ 870 $ 1,855 $ 879 $ 6,300 $ 5,196 $ 0 $ 0 $ 1,187 $ 1,969 $ 1,366 $ 1,004 $ 1,808 $ 1,255 $ 763 $ 1,440 $ 1,929 $ 3,756 $ 3,751 $ 5,851 $ 6,439 $ 0 $ 0 $ 5,851 $ 5,755 $ 0 $ 684 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 2,238 $ 4,967 $ 0 $ 0 $ 64 $ 2,944 $ 2,174 $ 2,023 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 66,592 $ 51,545 $ 44,519 $ 36,367 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 37,495 $ 30,451 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 7,024 $ 5,916 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 21,008 $ 14,482 $ 17,159 $ 14,482 $ 0 $ 0 $ 3,849 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 1,065 $ 696 $ 1,065 $ 696 $ 0 $ 0 $ 0 $ 0 $ 11,041 $ 9,031 $ 3,324 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 11,041 $ 9,031 $ 0 $ 0 $ 40,822 $ 36,554 $ 8,389 $ 6,490 $ 5,940 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 40,822 $ 36,554 $ 8,389 $ 6,490 $ 32,433 $ 30,064 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0 $ 0