Employee Benefit Plans - Assets at Fair Value (Details) - USD ($) $ in Thousands	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017
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	$ 266,450	$ 249,313	$ 307,166
Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	64,151	79,146
Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	87,047	60,913
Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 115,252	$ 109,254	$ 150,977
Equity Securities | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	3.00%	16.00%
Equity Securities | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 8,143	$ 39,392
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	15.00%
Equity Securities | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	20.00%
Debt and Debt Securities | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	61.00%	44.00%
Debt and Debt Securities | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 54,686	$ 33,134
Debt and Debt Securities | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	87,047	60,913
Debt and Debt Securities | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 19,996	$ 16,012
Debt and Debt Securities | Minimum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	35.00%
Debt and Debt Securities | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	45.00%
Short-term investments | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	1.00%	3.00%
Short-term investments | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 1,322	$ 6,620
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	0.00%
Short-term investments | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	0.00%
Other investments | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Percentage of Plan Assets at Year End	35.00%	37.00%
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	$ 95,256	93,242
Other investments | Minimum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	40.00%
Other investments | Maximum | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Target Allocation	50.00%
Pension Plan | Foreign Plan
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 266,450	249,313
Pension Plan | Foreign Plan | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	64,151	79,146
Pension Plan | Foreign Plan | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	87,047	60,913
Pension Plan | Foreign Plan | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	115,252	109,254
Pension Plan | Netherlands
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	92,294	90,323
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	92,294	90,323
Pension Plan | United Kingdom
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	174,156	158,990
Pension Plan | United Kingdom | Level 1
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	64,151	79,146
Pension Plan | United Kingdom | Level 2
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	87,047	60,913
Pension Plan | United Kingdom | Level 3
Defined Benefit Plan Disclosure [Line Items]
Plan assets, fair value	$ 22,958	$ 18,931