Retirement Plans Allocation of Plan Assets (Details 5) (USD $) In Thousands, unless otherwise specified	Jan. 03, 2015	Dec. 28, 2013	Dec. 29, 2012
Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	$ 70,422	$ 67,964	$ 61,965
United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	58,631	54,502	47,922
Fair Value, Inputs, Level 1 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	2	879
Fair Value, Inputs, Level 1 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	35,215	35,126
Fair Value, Inputs, Level 2 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	70,420	67,085
Fair Value, Inputs, Level 2 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	23,416	19,376
Fair Value, Inputs, Level 3 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Fair Value, Inputs, Level 3 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Equity Securities [Member] | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	35,172	35,089
Equity Securities [Member] | Fair Value, Inputs, Level 1 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	35,172	35,089
Equity Securities [Member] | Fair Value, Inputs, Level 2 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Equity Securities [Member] | Fair Value, Inputs, Level 3 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Equity Funds [Member] | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	9,494	8,240
Equity Funds [Member] | Fair Value, Inputs, Level 1 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Equity Funds [Member] | Fair Value, Inputs, Level 2 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	9,494	8,240
Equity Funds [Member] | Fair Value, Inputs, Level 3 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
US Treasury and Government [Member] | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	11,532	9,063
US Treasury and Government [Member] | Fair Value, Inputs, Level 1 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
US Treasury and Government [Member] | Fair Value, Inputs, Level 2 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	11,532	9,063
US Treasury and Government [Member] | Fair Value, Inputs, Level 3 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Money Market Funds [Member] | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	2,390	2,073
Money Market Funds [Member] | Fair Value, Inputs, Level 1 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Money Market Funds [Member] | Fair Value, Inputs, Level 2 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	2,390	2,073
Money Market Funds [Member] | Fair Value, Inputs, Level 3 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Cash [Member] | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	2	879
Cash [Member] | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	43	37
Cash [Member] | Fair Value, Inputs, Level 1 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	2	879
Cash [Member] | Fair Value, Inputs, Level 1 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	43	37
Cash [Member] | Fair Value, Inputs, Level 2 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Cash [Member] | Fair Value, Inputs, Level 2 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Cash [Member] | Fair Value, Inputs, Level 3 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Cash [Member] | Fair Value, Inputs, Level 3 | United States Pension Plan of US Entity, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Pooled Funds | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	70,420	67,085
Pooled Funds | Fair Value, Inputs, Level 1 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	0	0
Pooled Funds | Fair Value, Inputs, Level 2 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	70,420	67,085
Pooled Funds | Fair Value, Inputs, Level 3 | Foreign Pension Plans, Defined Benefit [Member]
Defined Benefit Plan Disclosure [Line Items]
Fair Value of Plan Assets	$ 0	$ 0