Employee Retirement Plans Summary of the Basis Used to Measure Pension Plans' Assets at Fair Value (Details) - Non US Plans [Member] - USD ($) $ in Thousands	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 1,287,723	$ 15,306	$ 15,172
Estimate of Fair Value Measurement [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1,287,723
Estimate of Fair Value Measurement [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Funds, Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	80,230
Estimate of Fair Value Measurement [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Arbitrage&Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	92,635
Estimate of Fair Value Measurement [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Directional Trading&Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	55,424
Estimate of Fair Value Measurement [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Cash & Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2,557
Estimate of Fair Value Measurement [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Direct Sourcing [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1,655
Estimate of Fair Value Measurement [Member] | Leveraged Loans [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	10,824
Estimate of Fair Value Measurement [Member] | Short Term Investment Fund [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	73,005
Estimate of Fair Value Measurement [Member] | Equity Securities [Member] | Equity Securities, U K Market [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	91,269
Estimate of Fair Value Measurement [Member] | Equity Securities [Member] | Equity Securities, International, Developed [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	147,278
Estimate of Fair Value Measurement [Member] | Equity Securities [Member] | Equity Securities, Unquoted Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	759
Estimate of Fair Value Measurement [Member] | Equity Securities [Member] | Equity Securities, international, Emerging [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	6,375
Estimate of Fair Value Measurement [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	3,518
Estimate of Fair Value Measurement [Member] | Fixed Income [Member] | Fixed Income,Convertible Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1,471
Estimate of Fair Value Measurement [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Index Linked [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	258,502
Estimate of Fair Value Measurement [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	126,735
Estimate of Fair Value Measurement [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, U K [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	168,708
Estimate of Fair Value Measurement [Member] | Alternative Investment [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	12,397
Estimate of Fair Value Measurement [Member] | Real Estate Funds [Member] | Real Estate Funds, Direct [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	140,764
Estimate of Fair Value Measurement [Member] | Real Estate Funds [Member] | Real Estate Funds,Indirect [Domain]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	13,617
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	772,587
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Funds, Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Arbitrage&Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Directional Trading&Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	3,584
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Cash & Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Direct Sourcing [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Leveraged Loans [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Short Term Investment Fund [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	64,651
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Equity Securities, U K Market [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	91,075
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Equity Securities, International, Developed [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	144,864
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Equity Securities, Unquoted Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	759
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities [Member] | Equity Securities, international, Emerging [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	6,375
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	3,518
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Fixed Income,Convertible Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1,471
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Index Linked [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	258,502
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	67,217
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, U K [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	118,332
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Alternative Investment [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	12,062
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds [Member] | Real Estate Funds, Direct [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds [Member] | Real Estate Funds,Indirect [Domain]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	177
Fair Value, Inputs, Level 2 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	515,136
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Funds, Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	80,230
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Arbitrage&Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	92,635
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Directional Trading&Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	51,840
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Cash & Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2,557
Fair Value, Inputs, Level 2 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Direct Sourcing [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	1,655
Fair Value, Inputs, Level 2 [Member] | Leveraged Loans [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	10,824
Fair Value, Inputs, Level 2 [Member] | Short Term Investment Fund [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	8,354
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Equity Securities, U K Market [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	194
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Equity Securities, International, Developed [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	2,414
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Equity Securities, Unquoted Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 2 [Member] | Equity Securities [Member] | Equity Securities, international, Emerging [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Fixed Income,Convertible Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Index Linked [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	59,518
Fair Value, Inputs, Level 2 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, U K [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	50,376
Fair Value, Inputs, Level 2 [Member] | Alternative Investment [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	335
Fair Value, Inputs, Level 2 [Member] | Real Estate Funds [Member] | Real Estate Funds, Direct [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	140,764
Fair Value, Inputs, Level 2 [Member] | Real Estate Funds [Member] | Real Estate Funds,Indirect [Domain]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	13,440
Fair Value, Inputs, Level 3 [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Funds, Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Arbitrage&Event [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Directional Trading&Fixed Income [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Cash & Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Hedge Funds, Multi-strategy [Member] | Hedge Fund, Direct Sourcing [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Leveraged Loans [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Short Term Investment Fund [Member] | Cash and Cash Equivalents [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Equity Securities, U K Market [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Equity Securities, International, Developed [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Equity Securities, Unquoted Private Equity [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Equity Securities [Member] | Equity Securities, international, Emerging [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Other [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Fixed Income,Convertible Bonds [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, Index Linked [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, International [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Fixed Income [Member] | Fixed Income, Government/Corporate, U K [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Alternative Investment [Member] | Commodities Investment [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Real Estate Funds [Member] | Real Estate Funds, Direct [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	0
Fair Value, Inputs, Level 3 [Member] | Real Estate Funds [Member] | Real Estate Funds,Indirect [Domain]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Fair Value of Plan Assets	$ 0