Employee Retirement Plans Summary of the Basis Used to Measure Pension Plans' Assets at Fair Value (Details) - USD ($) $ in Thousands		Jan. 01, 2022	Jan. 02, 2021	Dec. 28, 2019
USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		$ 18,289	$ 17,455	$ 16,744
Defined Benefit Plan, Net Asset Value of Plan Assets		274	533
Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,342,601	1,296,516	$ 1,231,181
Defined Benefit Plan, Net Asset Value of Plan Assets		1,121,370	1,100,384
Short Term Investment Fund | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	[1]	274	533
Defined Benefit Plan, Net Asset Value of Plan Assets	[1]	274	533
Real Estate Funds | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		758	1,063
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
Hedge Funds, Multi-strategy | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		29,345	44,097
Defined Benefit Plan, Net Asset Value of Plan Assets		29,345	44,097
Leveraged Loans | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		30,224	28,720
Defined Benefit Plan, Net Asset Value of Plan Assets		30,224	28,720
Alternative Investment [Member] | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		(92,239)	(104,518)
Defined Benefit Plan, Net Asset Value of Plan Assets		(92,692)	(104,523)
U S Large Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		3,928	3,443
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
U S Mid Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		413	407
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
U S Small Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		424	489
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
International Equity Securities | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		4,918	4,198
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
Government/Corporate | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		5,137	5,517
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
High Yield Fixed Income | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,383	1,211
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
Commodities Contracts | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,054	594
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
Cash and Cash Equivalents | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		51,780	36,537
Defined Benefit Plan, Net Asset Value of Plan Assets		40,122	26,052
Equity Securities, U K Market | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		6,470	8,615
Defined Benefit Plan, Net Asset Value of Plan Assets		4,592	6,868
Equity Securities, International, Developed | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		117,751	110,718
Defined Benefit Plan, Net Asset Value of Plan Assets		114,717	107,642
Equity Securities, international, Emerging | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		31,392	34,417
Defined Benefit Plan, Net Asset Value of Plan Assets		30,957	33,999
Equity Securities, Unquoted Private Equity | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		2,195	1,792
Defined Benefit Plan, Net Asset Value of Plan Assets		2,194	1,791
Fixed Income, Government/Corporate, U K | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		259,833	264,703
Defined Benefit Plan, Net Asset Value of Plan Assets		244,362	248,373
Fixed Income, Government/Corporate, International | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		114,973	141,030
Defined Benefit Plan, Net Asset Value of Plan Assets		114,973	141,030
Fixed Income, Government/Corporate, Index Linked | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		364,666	330,360
Defined Benefit Plan, Net Asset Value of Plan Assets		362,528	327,415
Fixed Income, Government/Corporate, Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		7,811	8,296
Defined Benefit Plan, Net Asset Value of Plan Assets		7,811	8,296
Fixed Income,Convertible Bonds | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		185	214
Defined Benefit Plan, Net Asset Value of Plan Assets		185	214
Real Estate Funds, Direct | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		183,045	156,588
Defined Benefit Plan, Net Asset Value of Plan Assets		0	0
Real Estate Funds,Indirect | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		8,030	9,283
Defined Benefit Plan, Net Asset Value of Plan Assets		4,912	4,746
Hedge Fund, Arbitrage&Event | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		25,788	16,594
Defined Benefit Plan, Net Asset Value of Plan Assets		25,788	16,594
Hedge Fund, Directional Trading&Fixed Income | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		3,266	9,721
Defined Benefit Plan, Net Asset Value of Plan Assets		3,266	9,721
Hedge Fund, Cash & Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		196,930	196,952
Defined Benefit Plan, Net Asset Value of Plan Assets		196,930	196,952
Hedge Fund, Direct Sourcing | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,156	2,397
Defined Benefit Plan, Net Asset Value of Plan Assets		1,156	2,397
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		18,015	16,922
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		30,056	34,227
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Short Term Investment Fund | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	[1]	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		758	1,063
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Funds, Multi-strategy | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Leveraged Loans | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Alternative Investment [Member] | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		453	5
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U S Large Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		3,928	3,443
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U S Mid Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		413	407
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | U S Small Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		424	489
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | International Equity Securities | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		4,918	4,198
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Government/Corporate | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		5,137	5,517
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | High Yield Fixed Income | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,383	1,211
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Commodities Contracts | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,054	594
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Cash and Cash Equivalents | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		6,566	9,653
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities, U K Market | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1,878	1,747
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities, International, Developed | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		3,034	3,076
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities, international, Emerging | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		435	418
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Equity Securities, Unquoted Private Equity | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		1	1
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income, Government/Corporate, U K | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		15,471	16,330
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income, Government/Corporate, International | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income, Government/Corporate, Index Linked | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		2,138	2,945
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income, Government/Corporate, Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Fixed Income,Convertible Bonds | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds, Direct | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Real Estate Funds,Indirect | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		80	52
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Fund, Arbitrage&Event | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Fund, Directional Trading&Fixed Income | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Fund, Cash & Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Hedge Fund, Direct Sourcing | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		191,175	161,905
Significant Observable Inputs (Level 2) | Hedge Funds, Multi-strategy | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Leveraged Loans | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Alternative Investment [Member] | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Cash and Cash Equivalents | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		5,092	832
Significant Observable Inputs (Level 2) | Equity Securities, U K Market | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Equity Securities, International, Developed | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Equity Securities, international, Emerging | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Equity Securities, Unquoted Private Equity | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Fixed Income, Government/Corporate, U K | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Fixed Income, Government/Corporate, International | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Fixed Income, Government/Corporate, Index Linked | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Fixed Income, Government/Corporate, Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Fixed Income,Convertible Bonds | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Real Estate Funds, Direct | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		183,045	156,588
Significant Observable Inputs (Level 2) | Real Estate Funds,Indirect | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		3,038	4,485
Significant Observable Inputs (Level 2) | Hedge Fund, Arbitrage&Event | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Hedge Fund, Directional Trading&Fixed Income | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Hedge Fund, Cash & Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Observable Inputs (Level 2) | Hedge Fund, Direct Sourcing | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Hedge Funds, Multi-strategy | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Leveraged Loans | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Alternative Investment [Member] | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Cash and Cash Equivalents | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Equity Securities, U K Market | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Equity Securities, International, Developed | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Equity Securities, international, Emerging | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Equity Securities, Unquoted Private Equity | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Fixed Income, Government/Corporate, U K | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Fixed Income, Government/Corporate, International | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Fixed Income, Government/Corporate, Index Linked | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Fixed Income, Government/Corporate, Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Fixed Income,Convertible Bonds | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Real Estate Funds, Direct | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Real Estate Funds,Indirect | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Hedge Fund, Arbitrage&Event | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Hedge Fund, Directional Trading&Fixed Income | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Hedge Fund, Cash & Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		0	0
Significant Unobservable Inputs (Level 3) | Hedge Fund, Direct Sourcing | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		$ 0	$ 0

[1] Represents collective short term investment fund, composed of high-grade money market instruments with short maturities.