Employee Benefit Plans (Schedule of Net Funded Status, Pension Plans) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 29, 2019	Dec. 30, 2018	Dec. 31, 2017	Jan. 01, 2017
Change in benefit obligations:
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change	$ (4,400)	$ (1,000)	$ (2,600)
Actuarial assumptions as of the year-end measurement date:
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation	195,657	180,560
Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Plan Assets	0	0
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation	198,294	183,424
Defined Benefit Plan, Pension Plan with Projected Benefit Obligation in Excess of Plan Assets, Plan Assets	0	0
Foreign Plan [Member]
Change in plan assets:
Employer's contributions	8,200	8,500	8,400
UNITED STATES
Change in plan assets:
Employer's contributions		$ 15,000
Other Pension Plan [Member]
Actuarial assumptions as of the year-end measurement date:
Rate of compensation increase		3.48%
Foreign Plan [Member]
Actuarial present value of benefit obligations: [Abstract]
Accumulated benefit obligations	338,722	$ 304,065
Change in benefit obligations:
Projected benefit obligations at beginning of year	311,168	343,410
Service cost	4,248	4,528
Interest cost	5,448	5,484
Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant	162	176
Defined Benefit Plan, Benefit Obligation, Business Combination	0	537
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment	(1,420)	0
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change	0	533
Actuarial loss (gain)	34,602	(13,141)
Effect of exchange rate changes	25	(17,278)
Projected benefit obligations at end of year	341,455	311,168	343,410
Change in plan assets:
Fair value of plan assets at beginning of year	159,163	179,736
Actual return on plan assets	19,873	(5,653)
Benefits paid and plan expenses	(12,778)	(13,081)
Employer's contributions	8,200	8,480
Participant's contributions	162	176
Effect of exchange rate changes	5,240	(10,495)
Fair value of plan assets at end of year	179,860	159,163	$ 179,736
Net amounts recognized in the consolidated balance sheets consist of:
Net amounts recognized in the consolidated balance sheets	(161,595)	(152,005)
Assets for Plan Benefits, Defined Benefit Plan	36,699	31,419
Current liabilities	(6,764)	(6,752)
Noncurrent liabilities	(191,530)	(176,672)
Net amounts recognized in accumulated other comprehensive income consist of:
Prior service cost	$ 0	$ (278)
Actuarial assumptions as of the year-end measurement date:
Discount rate	1.34%	2.07%	1.99%	2.06%
Rate of compensation increase	3.36%	3.48%	3.50%	3.64%
Expected rate of return on assets		5.30%	5.90%	6.00%
Defined Benefit Plan, Benefit Obligation, Benefits Paid	$ 12,778	$ 13,081
UNITED STATES
Actuarial present value of benefit obligations: [Abstract]
Accumulated benefit obligations	304,710	283,310
Change in benefit obligations:
Projected benefit obligations at beginning of year	283,310	308,713
Service cost	2,350	2,325
Interest cost	11,098	10,662
Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant	0	0
Defined Benefit Plan, Benefit Obligation, Business Combination	0	0
Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment	0	0
Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Other Change	0	0
Actuarial loss (gain)	29,114	(18,681)
Effect of exchange rate changes	0	0
Projected benefit obligations at end of year	304,710	283,310	$ 308,713
Change in plan assets:
Fair value of plan assets at beginning of year	234,342	253,427
Actual return on plan assets	41,270	(14,376)
Benefits paid and plan expenses	(21,162)	(19,709)
Employer's contributions	0	15,000
Participant's contributions	0	0
Effect of exchange rate changes	0	0
Fair value of plan assets at end of year	254,450	234,342	$ 253,427
Net amounts recognized in the consolidated balance sheets consist of:
Net amounts recognized in the consolidated balance sheets	(50,260)	(48,968)
Assets for Plan Benefits, Defined Benefit Plan	0	0
Current liabilities	0	0
Noncurrent liabilities	(50,260)	(48,968)
Net amounts recognized in accumulated other comprehensive income consist of:
Prior service cost	$ 0	$ 0
Actuarial assumptions as of the year-end measurement date:
Discount rate	3.01%	4.05%	3.56%	4.06%
Rate of compensation increase	0.00%	0.00%	0.00%	0.00%
Expected rate of return on assets		7.25%	7.25%	7.25%
Defined Benefit Plan, Benefit Obligation, Benefits Paid	$ 21,162	$ 19,709