Employee Retirement Plans Summary of the Basis Used to Measure Pension Plans' Assets at Fair Value (Details) - USD ($)	Dec. 28, 2024	Dec. 30, 2023	Dec. 31, 2022
USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	$ 16,008,000	$ 15,751,000	$ 14,998,000
Defined Benefit Plan, Net Asset Value of Plan Assets	414,000	920,000
Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	958,349,000	1,027,421,000	$ 943,757,000
Defined Benefit Plan, Net Asset Value of Plan Assets	725,022,000	883,291,000
Short Term Investment Fund | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	414,000	920,000
Defined Benefit Plan, Net Asset Value of Plan Assets	414,000	920,000
Real Estate Funds | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	926,000	663,000
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		8,361,000
Defined Benefit Plan, Net Asset Value of Plan Assets		8,361,000
Leveraged Loans | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	28,292,000	14,475,000
Defined Benefit Plan, Net Asset Value of Plan Assets	28,292,000	14,475,000
Alternative Investment [Member] | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	(227,267,000)	(148,902,000)
Defined Benefit Plan, Net Asset Value of Plan Assets	(227,880,000)	(149,962,000)
U S Large Cap | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,805,000	2,862,000
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	402,000	373,000
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	393,000	388,000
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	3,622,000	3,218,000
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	4,528,000	4,776,000
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	1,143,000	1,063,000
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	291,000	783,000
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	64,699,000	64,285,000
Defined Benefit Plan, Net Asset Value of Plan Assets	11,084,000	28,333,000
Equity Securities, U K Market | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	3,511,000	3,665,000
Defined Benefit Plan, Net Asset Value of Plan Assets	2,535,000	3,620,000
Equity Securities, International, Developed | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	57,153,000	89,498,000
Defined Benefit Plan, Net Asset Value of Plan Assets	55,622,000	87,760,000
Equity Securities, international, Emerging | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	13,390,000	20,698,000
Defined Benefit Plan, Net Asset Value of Plan Assets	13,187,000	20,530,000
Equity Securities, Unquoted Private Equity | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	2,304,000	282,000
Defined Benefit Plan, Net Asset Value of Plan Assets	2,304,000	282,000
Fixed Income, Government/Corporate, U K | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	526,394,000	247,618,000
Defined Benefit Plan, Net Asset Value of Plan Assets	507,388,000	236,569,000
Fixed Income, Government/Corporate, International | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	93,888,000	133,279,000
Defined Benefit Plan, Net Asset Value of Plan Assets	30,406,000	133,279,000
Fixed Income, Government/Corporate, Index Linked | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	300,098,000	322,408,000
Defined Benefit Plan, Net Asset Value of Plan Assets	298,618,000	320,320,000
Fixed Income, Government/Corporate, Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	315,000	3,222,000
Defined Benefit Plan, Net Asset Value of Plan Assets	315,000	3,222,000
Real Estate Funds, Direct | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	92,388,000	91,993,000
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	3,184,000	1,768,000
Defined Benefit Plan, Net Asset Value of Plan Assets	3,151,000	1,731,000
Hedge Fund, Arbitrage&Event | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		10,731,000
Defined Benefit Plan, Net Asset Value of Plan Assets		10,731,000
Hedge Fund, Directional Trading&Fixed Income | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		315,000
Defined Benefit Plan, Net Asset Value of Plan Assets		315,000
Hedge Fund, Cash & Other | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		162,812,000
Defined Benefit Plan, Net Asset Value of Plan Assets		162,812,000
Hedge Fund, Direct Sourcing | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount		913,000
Defined Benefit Plan, Net Asset Value of Plan Assets		913,000
Other Debt Obligations | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	484,000	705,000
Defined Benefit Plan, Net Asset Value of Plan Assets	0	0
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	15,594,000	14,831,000
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	21,722,000	26,360,000
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	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	926,000	663,000
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
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	0	1,060,000
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	3,805,000	2,862,000
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	402,000	373,000
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	393,000	388,000
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	3,622,000	3,218,000
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	4,528,000	4,776,000
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	1,143,000	1,063,000
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	291,000	783,000
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	7,881,000	10,175,000
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	976,000	45,000
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	1,531,000	1,738,000
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	203,000	168,000
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	0	0
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	9,618,000	11,049,000
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	1,480,000	2,088,000
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] | 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	33,000	37,000
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
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
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
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
Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] | Other Debt Obligations | USPlans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	484,000	705,000
Significant Observable Inputs (Level 2) | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	211,605,000	117,770,000
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
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	613,000	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	45,734,000	25,777,000
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	9,388,000	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	63,482,000	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) | Real Estate Funds, Direct | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	92,388,000	91,993,000
Significant Observable Inputs (Level 2) | Real Estate Funds,Indirect | Non US Plans
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Plan Assets, Amount	0	0
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
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
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
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
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
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) | 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
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
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
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