Employee Benefit Plans - Assets at Fair Value (Details) - USD ($) $ in Thousands	Jan. 03, 2021	Dec. 29, 2019	Dec. 30, 2018
Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	100.00%
Percentage of Plan Assets at Year End	100.00%	100.00%
Plan assets, fair value	$ 303,531	$ 266,450	$ 249,313
Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	70,904	64,151
Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	95,004	87,047
Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 137,623	$ 115,252	$ 109,254
Equity securities | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	3.00%	3.00%
Equity securities | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 9,113	$ 8,143
Equity securities | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	0	0
Equity securities | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 0	$ 0
Equity securities | Minimum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	1.00%
Equity securities | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	3.00%
Debt and debt securities | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	60.00%	61.00%
Debt and debt securities | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 60,699	$ 54,686
Debt and debt securities | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	95,004	87,047
Debt and debt securities | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 25,927	$ 19,996
Debt and debt securities | Minimum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	50.00%
Debt and debt securities | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	60.00%
Short-term investments | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	0.00%	1.00%
Short-term investments | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 1,092	$ 1,322
Short-term investments | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	0	0
Short-term investments | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 0	$ 0
Short-term investments | Minimum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	1.00%
Short-term investments | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	2.00%
Other investments | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	37.00%	35.00%
Other investments | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 0	$ 0
Other investments | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	0	0
Other investments | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 111,696	95,256
Other investments | Minimum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	35.00%
Other investments | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	40.00%
Pension Plan | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 303,531	266,450
Pension Plan | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	70,904	64,151
Pension Plan | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	95,004	87,047
Pension Plan | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	137,623	115,252
Pension Plan | Netherlands
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	109,540	92,294
Pension Plan | Netherlands | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	0	0
Pension Plan | Netherlands | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	0	0
Pension Plan | Netherlands | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	109,540	92,294
Pension Plan | United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	193,991	174,156
Pension Plan | United Kingdom | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	70,904	64,151
Pension Plan | United Kingdom | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	95,004	87,047
Pension Plan | United Kingdom | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 28,083	$ 22,958