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Employee Retirement Plans Summary of the Basis Used to Measure Pension Plans' Assets at Fair Value (Details) - USD ($) $ in Thousands | Dec. 31, 2016 | Jan. 02, 2016 | Jan. 03, 2015
--- | --- | --- | ---
USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | $ 13,589 | $ 12,987 | $ 13,575
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 368 | 540 |
Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 1,173,865 | 1,287,723 | $ 15,306
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 1,009,160 | 1,098,910 |
Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Funds, Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 61,612 | 80,230 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 61,612 | 80,230 |
Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Arbitrage&Event [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 64,961 | 92,635 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 64,961 | 92,635 |
Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Directional Trading&Fixed Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 30,430 | 55,424 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 30,430 | 55,424 |
Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Cash & Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 38,099 | 2,557 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 38,099 | 2,557 |
Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Direct Sourcing [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 1,379 | 1,655 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 1,379 | 1,655 |
Leveraged Loans [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 11,025 | 10,824 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 11,025 | 10,824 |
Short Term Investment Fund [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 368 | 540 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 368 | 540 |
Short Term Investment Fund [Member] | Non US Plans [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 58,131 | 73,006 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 50,515 | 65,781 |
Equity Securities [Member] | USPlans [Member] | U S Large Cap [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,055 | 3,149 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Equity Securities [Member] | USPlans [Member] | U S Mid Cap [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 512 | 383 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Equity Securities [Member] | USPlans [Member] | U S Small Cap [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 455 | 383 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Equity Securities [Member] | USPlans [Member] | International Equity Securities [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 2,917 | 2,291 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Equity Securities [Member] | Non US Plans [Member] | Equity Securities, U K Market [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 87,828 | 91,269 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 85,730 | 88,510 |
Equity Securities [Member] | Non US Plans [Member] | Equity Securities, International, Developed [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 135,186 | 147,277 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 131,639 | 141,569 |
Equity Securities [Member] | Non US Plans [Member] | Equity Securities, Unquoted Private Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,189 | 759 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 3,189 | 759 |
Equity Securities [Member] | Non US Plans [Member] | Equity Securities, international, Emerging [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 6,803 | 6,375 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 6,724 | 6,298 |
Fixed Income [Member] | USPlans [Member] | Government/Corporate [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,367 | 4,311 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Fixed Income [Member] | USPlans [Member] | High Yield Fixed Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 971 | 778 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,812 | 3,518 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 3,812 | 3,518 |
Fixed Income [Member] | Non US Plans [Member] | Fixed Income,Convertible Bonds [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 160 | 1,471 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 160 | 1,471 |
Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Index Linked [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 212,327 | 258,502 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 208,122 | 258,502 |
Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, International [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 107,882 | 126,735 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 107,779 | 125,689 |
Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, U K [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 317,621 | 168,706 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 292,409 | 137,938 |
Alternative Investment [Member] | USPlans [Member] | Real Estate Funds [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 539 | 771 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Alternative Investment [Member] | USPlans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 405 | 381 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Alternative Investment [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | (98,885) | 12,398 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | (98,980) | 12,110 |
Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds, Direct [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 121,612 | 140,765 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds,Indirect [Domain] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 10,693 | 13,617 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 10,555 | 13,440 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 13,221 | 12,447 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 26,000 | 21,154 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Funds, Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Arbitrage&Event [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Directional Trading&Fixed Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Cash & Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Direct Sourcing [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Leveraged Loans [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Short Term Investment Fund [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Short Term Investment Fund [Member] | Non US Plans [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,730 | 3,937 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | USPlans [Member] | U S Large Cap [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,055 | 3,149 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | USPlans [Member] | U S Mid Cap [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 512 | 383 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | USPlans [Member] | U S Small Cap [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 455 | 383 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | USPlans [Member] | International Equity Securities [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 2,917 | 2,291 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, U K Market [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 2,098 | 2,565 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, International, Developed [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,547 | 3,294 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, Unquoted Private Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, international, Emerging [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 79 | 77 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | USPlans [Member] | Government/Corporate [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,367 | 4,311 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | USPlans [Member] | High Yield Fixed Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 971 | 778 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income,Convertible Bonds [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Index Linked [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,205 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, International [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, U K [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 11,203 | 10,816 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Alternative Investment [Member] | USPlans [Member] | Real Estate Funds [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 539 | 771 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Alternative Investment [Member] | USPlans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 405 | 381 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Alternative Investment [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 288 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds, Direct [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds,Indirect [Domain] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 138 | 177 |
Fair Value, Inputs, Level 2 [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 138,610 | 167,659 |
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Funds, Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Arbitrage&Event [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Directional Trading&Fixed Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Cash & Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Direct Sourcing [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Leveraged Loans [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Short Term Investment Fund [Member] | Non US Plans [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 2,886 | 3,288 |
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, U K Market [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 194 |
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, International, Developed [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 2,414 |
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, Unquoted Private Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, international, Emerging [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income,Convertible Bonds [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Index Linked [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, International [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 103 | 1,046 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, U K [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 14,009 | 19,952 |
Fair Value, Inputs, Level 2 [Member] | Alternative Investment [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds, Direct [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 121,612 | 140,765 |
Fair Value, Inputs, Level 2 [Member] | Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds,Indirect [Domain] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 95 | 0 |
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Funds, Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Arbitrage&Event [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Directional Trading&Fixed Income [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] | Hedge Fund, Cash & Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
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Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Leveraged Loans [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Short Term Investment Fund [Member] | Non US Plans [Member] | Cash and Cash Equivalents [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, U K Market [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, International, Developed [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, Unquoted Private Equity [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Non US Plans [Member] | Equity Securities, international, Emerging [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Other [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income,Convertible Bonds [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, Index Linked [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, International [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Non US Plans [Member] | Fixed Income, Government/Corporate, U K [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Alternative Investment [Member] | Non US Plans [Member] | Commodities Investment [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 95 | 0 |
Fair Value, Inputs, Level 3 [Member] | Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds, Direct [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 3 [Member] | Real Estate Funds [Member] | Non US Plans [Member] | Real Estate Funds,Indirect [Domain] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | $ 0 | $ 0 |
[1] | Represents collective short term investment fund, composed of high-grade money market instruments with short maturities.

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