Comprehensive Income (Details) - USD ($) $ in Thousands	12 Months Ended
	Jan. 02, 2021	Dec. 28, 2019	Dec. 29, 2018
Before-Tax Amount
Actuarial (loss)/gain recognized	$ (9,470)	$ (2,202)	$ (7,901)
Amortization of actuarial loss	3,405	4,571	3,543
Actuarial prior service cost recognized		9	(11)
Amortization of curtailment	69		498
Amortization of prior service costs	33	34	35
Amortization of settlement	(30)	66	(3)
Other	11	16	9
Total defined benefit pension plans	(5,982)	2,494	(3,830)
Tax (Expense) or Benefit
Actuarial (loss)/gain recognized	2,547	211	2,015
Amortization of actuarial loss	(862)	(1,143)	(910)
Actuarial prior service cost recognized		(2)	3
Amortization of curtailment	(15)		0
Amortization of prior service costs	(8)	(9)	(9)
Amortization of settlement	7	(16)	1
Other	0	0	0
Total defined benefit pension plans	1,669	(959)	1,100
Net-of-Tax Amount
Actuarial (loss)/gain recognized	(6,923)	(1,991)	(5,886)
Amortization of actuarial loss	2,543	3,428	2,633
Actuarial prior service cost recognized		7	(8)
Amortization of prior service costs	25	25	26
Amortization of curtailment	54		498
Amortization of settlement	(23)	50	(2)
Other	11	16	9
Total defined benefit pension plans	(4,313)	1,535	(2,730)
Before-Tax Amount
Foreign currency translation	73,845	(12,771)	(89,198)
Tax (Expense) or Benefit
Foreign currency translation	(3,525)	837	1,724
Net-of-Tax Amount
Foreign currency translation adjustments	70,320	(11,934)	(87,474)
Other comprehensive income/(loss)	72,554	(19,636)	(93,634)
Other Comprehensive Income (Loss), Tax, Portion Attributable to Parent	(4,256)	2,651	2,847
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent	68,298	(16,985)	(90,787)
Soybean Meal [Member]
Before-Tax Amount
Gain/(loss) reclassified to net income	49		(8)
Gain/(loss) recognized in other comprehensive income (loss)	349		8
Total derivatives	398		0
Tax (Expense) or Benefit
Gain/(loss) reclassified to net income	(12)		2
Gain/(loss) recognized in other comprehensive income (loss)	(89)		(2)
Total derivatives	(101)		0
Net-of-Tax Amount
Gain/(loss) reclassified to net income	37		(6)
Gain/(loss) recognized in other comprehensive income (loss)	260		6
Total derivatives, net of tax	297	0	0
Total derivatives	297
Natural Gas Swap [Member]
Before-Tax Amount
Gain/(loss) reclassified to net income			14
Gain/(loss) recognized in other comprehensive income (loss)			16
Total corn options			30
Tax (Expense) or Benefit
Gain/(loss) reclassified to net income			(3)
Gain/(loss) recognized in other comprehensive income (loss)			(4)
Total derivatives			(7)
Net-of-Tax Amount
Gain/(loss) reclassified to net income			11
Gain/(loss) recognized in other comprehensive income (loss)			12
Total derivatives, net of tax	0	0	23
Total derivatives			23
Corn Option [Member]
Before-Tax Amount
Gain/(loss) reclassified to net income	123	422	(1,912)
Gain/(loss) recognized in other comprehensive income (loss)	(7,803)	(51)	(361)
Total corn options	(7,680)	371	(2,273)
Tax (Expense) or Benefit
Gain/(loss) reclassified to net income	(31)	(106)	493
Gain/(loss) recognized in other comprehensive income (loss)	1,980	13	93
Total derivatives	1,949	(93)	586
Net-of-Tax Amount
Gain/(loss) reclassified to net income	92	316	(1,419)
Gain/(loss) recognized in other comprehensive income (loss)	(5,823)	(38)	(268)
Total derivatives, net of tax	(5,731)	278	(1,687)
Total derivatives	(5,731)	278	(1,687)
Foreign Exchange Contract [Member]
Before-Tax Amount
Gain/(loss) reclassified to net income	(13,809)	1,345
Gain/(loss) recognized in other comprehensive income (loss)	24,325	(6,887)	1,637
Total derivatives	10,516	(5,542)	1,637
Tax (Expense) or Benefit
Gain/(loss) reclassified to net income	5,114	(442)
Gain/(loss) recognized in other comprehensive income (loss)	(9,009)	2,261	(556)
Total derivatives	(3,895)	1,819	(556)
Net-of-Tax Amount
Gain/(loss) reclassified to net income	(8,695)	903
Gain/(loss) recognized in other comprehensive income (loss)	15,316	(4,626)	1,081
Total derivatives, net of tax	6,621	(3,723)	1,081
Total derivatives	6,621	(3,723)	1,081
Heating Oil Swaps And Options [Member]
Before-Tax Amount
Gain/(loss) recognized in other comprehensive income (loss)	1,457	(4,188)
Total derivatives	1,457	(4,188)
Tax (Expense) or Benefit
Gain/(loss) recognized in other comprehensive income (loss)	(353)	1,047
Total derivatives	(353)	1,047
Net-of-Tax Amount
Gain/(loss) recognized in other comprehensive income (loss)	1,104	(3,141)
Total derivatives, net of tax	$ 1,104	$ (3,141)	$ 0