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Employee Retirement Plans Assets of Plans Invested in Classes of Securities (Details) - USD ($) $ in Thousands | Dec. 30, 2017 | Dec. 31, 2016 | Jan. 02, 2016
--- | --- | --- | ---
USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | $ 16,102 | $ 13,589 | $ 12,987
Defined Benefit Plan, Net Asset Value of Plan Assets |  | $ 486 | $ 368 |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 100.00% |  |
Percentage of Plan Assets |  | 100.00% | 100.00% |
Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | $ 1,296,539 | $ 1,173,865 | $ 1,287,723
Defined Benefit Plan, Net Asset Value of Plan Assets |  | $ 990,888 | $ 1,009,160 |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 100.00% |  |
Percentage of Plan Assets |  | 100.00% | 100.00% |
Short Term Investment Fund [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets | [1] | $ 486 | $ 368 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | $ 486 | $ 368 |
Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 48.00% |  |
Percentage of Plan Assets |  | 55.00% | 51.00% |
Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 17.00% |  |
Percentage of Plan Assets |  | 26.00% | 20.00% |
Fixed Income [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 40.00% |  |
Percentage of Plan Assets |  | 35.00% | 39.00% |
Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 38.00% |  |
Percentage of Plan Assets |  | 48.00% | 55.00% |
Money Market Instruments [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 4.00% |  |
Percentage of Plan Assets |  | 3.00% | 3.00% |
Money Market Instruments [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 32.00% |  |
Percentage of Plan Assets |  | 12.00% | 8.00% |
Other (real estate & commodities) [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 8.00% |  |
Percentage of Plan Assets |  | 7.00% | 7.00% |
Other (real estate & commodities) [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 13.00% |  |
Percentage of Plan Assets |  | 11.00% | 12.00% |
Cash and Cash Equivalents [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Plan Assets, Target Allocation, Percentage |  | 0.00% |  |
Percentage of Plan Assets |  | 3.00% | 5.00% |
Equity Securities, U K Market [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | $ 178,093 | $ 87,828 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 79,685 | 85,730 |
Equity Securities, International, Developed [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 145,295 | 135,186 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 128,668 | 131,639 |
Equity Securities, international, Emerging [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 7,261 | 6,803 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 6,876 | 6,724 |
Equity Securities, Unquoted Private Equity [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,687 | 3,189 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 3,687 | 3,189 |
Cash and Cash Equivalents [Member] | Short Term Investment Fund [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 42,857 | 58,131 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 18,871 | 50,515 |
U S Large Cap [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,485 | 3,055 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
U S Mid Cap [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 474 | 512 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
U S Small Cap [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 475 | 455 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
International Equity Securities [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,507 | 2,917 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
US Government Corporations and Agencies Securities [Member] | Fixed Income [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,744 | 4,367 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
High Yield Fixed Income [Member] | Fixed Income [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 809 | 971 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Real Estate Funds [Member] | Alternative Investment [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 469 | 539 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Commodities Investment [Member] | Leveraged Loans [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 30,755 | 11,025 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 30,755 | 11,025 |
Commodities Investment [Member] | Alternative Investment [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 653 | 405 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Commodities Investment [Member] | Alternative Investment [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | (131,387) | (98,885) |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | (131,484) | (98,980) |
Real Estate Funds,Indirect [Domain] | Real Estate Funds [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 11,128 | 10,693 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 10,937 | 10,555 |
Fixed Income, Government/Corporate, U K [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 347,840 | 317,621 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 321,176 | 292,409 |
Fixed Income, Government/Corporate, International [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 46,065 | 107,882 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 46,065 | 107,779 |
Fixed Income, Government/Corporate, Index Linked [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 228,699 | 212,327 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 224,644 | 208,122 |
Fixed Income, Government/Corporate, Other [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,750 | 3,812 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 3,750 | 3,812 |
Fixed Income,Convertible Bonds [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 187 | 160 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 187 | 160 |
Real Estate Funds, Direct [Member] | Real Estate Funds [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 135,238 | 121,612 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 0 | 0 |
Hedge Funds, Equity [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 79,035 | 61,612 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 79,035 | 61,612 |
Hedge Fund, Arbitrage&Event [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 83,814 | 64,961 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 83,814 | 64,961 |
Hedge Fund, Directional Trading&Fixed Income [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 34,107 | 30,430 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 34,107 | 30,430 |
Hedge Fund, Cash & Other [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 48,440 | 38,099 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 48,440 | 38,099 |
Hedge Fund, Direct Sourcing [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 1,675 | 1,379 |
Defined Benefit Plan, Net Asset Value of Plan Assets |  | 1,675 | 1,379 |
Fair Value, Inputs, Level 1 [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 15,616 | 13,221 |
Fair Value, Inputs, Level 1 [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 140,044 | 26,000 |
Fair Value, Inputs, 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 |
Fair Value, Inputs, Level 1 [Member] | Equity Securities, U K Market [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 98,408 | 2,098 |
Fair Value, Inputs, Level 1 [Member] | Equity Securities, International, Developed [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 16,627 | 3,547 |
Fair Value, Inputs, Level 1 [Member] | Equity Securities, international, Emerging [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 385 | 79 |
Fair Value, Inputs, Level 1 [Member] | Equity Securities, Unquoted Private Equity [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Cash and Cash Equivalents [Member] | Short Term Investment Fund [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 8,135 | 4,730 |
Fair Value, Inputs, Level 1 [Member] | U S Large Cap [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 3,485 | 3,055 |
Fair Value, Inputs, Level 1 [Member] | U S Mid Cap [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 474 | 512 |
Fair Value, Inputs, Level 1 [Member] | U S Small Cap [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 475 | 455 |
Fair Value, Inputs, Level 1 [Member] | International Equity Securities [Member] | Equity [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,507 | 2,917 |
Fair Value, Inputs, Level 1 [Member] | US Government Corporations and Agencies Securities [Member] | Fixed Income [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,744 | 4,367 |
Fair Value, Inputs, Level 1 [Member] | High Yield Fixed Income [Member] | Fixed Income [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 809 | 971 |
Fair Value, Inputs, Level 1 [Member] | Real Estate Funds [Member] | Alternative Investment [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 469 | 539 |
Fair Value, Inputs, Level 1 [Member] | Commodities Investment [Member] | Leveraged Loans [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Commodities Investment [Member] | Alternative Investment [Member] | USPlans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 653 | 405 |
Fair Value, Inputs, Level 1 [Member] | Commodities Investment [Member] | Alternative Investment [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | (4) | 0 |
Fair Value, Inputs, Level 1 [Member] | Real Estate Funds,Indirect [Domain] | Real Estate Funds [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 191 | 138 |
Fair Value, Inputs, Level 1 [Member] | Fixed Income, Government/Corporate, U K [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 12,247 | 11,203 |
Fair Value, Inputs, Level 1 [Member] | Fixed Income, Government/Corporate, International [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Fixed Income, Government/Corporate, Index Linked [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 4,055 | 4,205 |
Fair Value, Inputs, Level 1 [Member] | Fixed Income, Government/Corporate, Other [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Fixed Income,Convertible Bonds [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Real Estate Funds, Direct [Member] | Real Estate Funds [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Hedge Funds, Equity [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Hedge Fund, Arbitrage&Event [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Hedge Fund, Directional Trading&Fixed Income [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Hedge Fund, Cash & Other [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 1 [Member] | Hedge Fund, Direct Sourcing [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 165,506 | 138,610 |
Fair Value, Inputs, Level 2 [Member] | Equity Securities, U K Market [Member] | Equity [Member] | Non US Plans [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, International, Developed [Member] | Equity [Member] | Non US Plans [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, international, Emerging [Member] | Equity [Member] | Non US Plans [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, Unquoted Private Equity [Member] | Equity [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Cash and Cash Equivalents [Member] | Short Term Investment Fund [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 15,851 | 2,886 |
Fair Value, Inputs, Level 2 [Member] | Commodities Investment [Member] | Leveraged Loans [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Commodities Investment [Member] | Alternative Investment [Member] | Non US Plans [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,Indirect [Domain] | Real Estate Funds [Member] | Non US Plans [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, Government/Corporate, U K [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 14,417 | 14,009 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income, Government/Corporate, International [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 103 |
Fair Value, Inputs, Level 2 [Member] | Fixed Income, Government/Corporate, Index Linked [Member] | Fixed Income [Member] | Non US Plans [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, Government/Corporate, Other [Member] | Fixed Income [Member] | Non US Plans [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,Convertible Bonds [Member] | Fixed Income [Member] | Non US Plans [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, Direct [Member] | Real Estate Funds [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 135,238 | 121,612 |
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Equity [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Hedge Fund, Arbitrage&Event [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Defined Benefit Plan, Fair Value of Plan Assets |  | 0 | 0 |
Fair Value, Inputs, Level 2 [Member] | Hedge Fund, Directional Trading&Fixed Income [Member] | Hedge Funds, Multi-strategy [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Fair Value, Inputs, Level 3 [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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Fair Value, Inputs, Level 3 [Member] | Fixed Income,Convertible Bonds [Member] | Fixed Income [Member] | Non US Plans [Member] |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
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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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