Employee Retirement Plans Summary of the Plans' Net Periodic Pension Cost, Benefit Obligations, Funded Status, and Net Balance Sheet Position (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Jan. 02, 2016
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets	$ 0	$ 0
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation	0
Change in Benefit Obligation:
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation	(706)
Amounts recognized in balance sheet at year end:
Accrued pension benefits	$ (322,988)	$ (207,490)
Non US Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	1.60%	1.50%
Defined Benefit Plan, Target Plan Asset Allocations	100.00%
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets		$ 1,305,506
Defined Benefit Plan, Contributions by Plan Participants	$ 404	182
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation	0	1,495,089
Net Periodic Pension Cost:
Service cost	3,364	1,216
Interest cost	41,606	12,992
Expected return on assets	(68,845)	(20,547)
Amortization of net loss (gain)	(35)	0
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments	(632)	3,202
Amortization of net loss (gain)	0	0
Net periodic benefit cost	(24,472)	(3,137)
Change in Benefit Obligation:
Benefit obligation – beginning of year	1,476,370	16,114
Service cost	3,364	1,216
Interest cost	41,606	12,992
Actuarial (gain) loss	297,754	8,668
Pension settlement	0	0
Net benefit payments	(64,466)	(24,179)
Benefit obligation – end of year	1,478,493	1,476,370
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation		3,202
Change in Plan Assets:
Plan assets at fair value – beginning of year	1,287,723	15,306
Company contributions	17,758	16,950
Investment gain (loss)	161,405	6,173
Benefit payments and plan expenses	(64,466)	(24,179)
Plan assets at fair value – end of year	1,173,865	1,287,723
Funded Status:
Unfunded benefit obligation	(304,628)	(188,647)
Amounts recognized in balance sheet at year end:
Accrued pension benefits	(304,628)	(188,647)
Pre-tax components in accumulated other comprehensive income at period end:
Net actuarial loss	206,490	25,141
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	181,384	25,141
Amount Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Loss), before Tax	(35)	0
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax	(181,349)	(25,141)
Accumulated Benefit Obligation	$ 1,478,435	$ 1,475,631
Assumed discount rate	2.50%	3.70%
Expected return on assets	6.20%	6.20%
Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss)	$ (275,833)	$ (36,914)
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets	$ (228,959)	$ (32,215)
USPlans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	10.00%
Defined Benefit Plan, Target Plan Asset Allocations	100.00%
Defined Benefit Plan, Actual Plan Asset Allocations	100.00%	100.00%
Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets	$ 0
Defined Benefit Plan, Contributions by Plan Participants	0	$ 0
Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation	0
Net Periodic Pension Cost:
Service cost	456	505
Interest cost	1,280	1,254
Expected return on assets	(777)	(813)
Amortization of net loss (gain)	(126)	(694)
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments	0	0
Amortization of net loss (gain)	0	0
Net periodic benefit cost	1,085	1,640
Change in Benefit Obligation:
Benefit obligation – beginning of year	31,830	33,907
Service cost	456	505
Interest cost	1,280	1,254
Actuarial (gain) loss	(722)	(2,969)
Pension settlement	0	0
Net benefit payments	(895)	(867)
Benefit obligation – end of year	31,949	31,830
Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation	0	0
Change in Plan Assets:
Plan assets at fair value – beginning of year	12,987	13,575
Company contributions	754	823
Investment gain (loss)	743	(544)
Benefit payments and plan expenses	(895)	(867)
Plan assets at fair value – end of year	13,589	12,987
Funded Status:
Unfunded benefit obligation	(18,360)	(18,843)
Amounts recognized in balance sheet at year end:
Accrued pension benefits	(18,360)	(18,843)
Pre-tax components in accumulated other comprehensive income at period end:
Net actuarial loss	4,908	5,725
Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, before Tax	(691)	(1,612)
Amount Recognized in Net Periodic Benefit Cost and Other Comprehensive Income (Loss), before Tax	(126)	(694)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax	817	2,306
Accumulated Benefit Obligation	$ 31,041	$ 30,106
Assumed discount rate	3.90%	4.10%
Expected return on assets	6.00%	6.00%
Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss)	$ 0	$ 0
Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets	$ 0	$ 0
Money Market Instruments [Member] | Non US Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	28.00%
Defined Benefit Plan, Actual Plan Asset Allocations	8.00%	20.00%
Money Market Instruments [Member] | USPlans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	4.00%
Defined Benefit Plan, Actual Plan Asset Allocations	3.00%	5.00%
Other (real estate & commodities) [Member] | Non US Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	11.00%
Defined Benefit Plan, Actual Plan Asset Allocations	12.00%	12.00%
Other (real estate & commodities) [Member] | USPlans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	8.00%
Defined Benefit Plan, Actual Plan Asset Allocations	7.00%	9.00%
Cash and Cash Equivalents [Member] | Non US Plans [Member]
Defined Benefit Plan Disclosure [Line Items]
Defined Benefit Plan, Target Plan Asset Allocations	0.00%
Defined Benefit Plan, Actual Plan Asset Allocations	5.00%	5.00%