Other Comprehensive Income (Schedule of OCI) (Details) - USD ($) $ in Thousands	3 Months Ended
	Apr. 03, 2021	Mar. 28, 2020
Before-Tax Amount:
Amortization of prior service cost	$ 5	$ 8
Amortization of actuarial loss	1,052	854
Total defined benefit pension plans	1,057	862
Foreign currency translation	(39,737)	(65,887)
Other Comprehensive income (loss)	(45,686)	(63,682)
Tax (Expense) or Benefit:
Amortization of prior service cost	(1)	(2)
Amortization of actuarial loss	(264)	(212)
Total defined benefit pension plans	(265)	(214)
Foreign currency translation	1,515	651
Other Comprehensive income (loss)	3,857	949
Net-of-Tax Amount:
Amortization of prior service cost	4	6
Amortization of actuarial loss	788	642
Total defined benefit pension plans	792	648
Foreign currency translation	(38,222)	(65,236)
Total other comprehensive loss, net of tax	(41,829)	(62,733)
Soybean Meal
Before-Tax Amount:
Loss (gain) reclassified to net income	(280)	0
Gain (loss) activity recognized in other comprehensive loss	(64)	0
Total swap derivatives	(344)	0
Tax (Expense) or Benefit:
Loss (gain) reclassified to net income	(71)	0
Gain (loss) activity recognized in other comprehensive loss	(16)	0
Total swap derivatives	(87)	0
Net-of-Tax Amount:
Loss (gain) reclassified to net income	(209)	0
Gain (loss) activity recognized in other comprehensive loss	(48)	0
Total swap derivatives	(257)	0
Corn Option
Before-Tax Amount:
Loss (gain) reclassified to net income	3,920	300
Gain (loss) activity recognized in other comprehensive loss	(4,993)	(119)
Total swap derivatives	(1,073)	181
Tax (Expense) or Benefit:
Loss (gain) reclassified to net income	(996)	(75)
Gain (loss) activity recognized in other comprehensive loss	1,269	30
Total swap derivatives	273	(45)
Net-of-Tax Amount:
Loss (gain) reclassified to net income	2,924	225
Gain (loss) activity recognized in other comprehensive loss	(3,724)	(89)
Total swap derivatives	(800)	136
Heating Oil Swaps And Options
Before-Tax Amount:
Gain (loss) activity recognized in other comprehensive loss	4,644	14,494
Total swap derivatives	4,644	14,494
Tax (Expense) or Benefit:
Gain (loss) activity recognized in other comprehensive loss	(1,180)	(3,624)
Total swap derivatives	(1,180)	(3,624)
Net-of-Tax Amount:
Gain (loss) activity recognized in other comprehensive loss	3,464	10,870
Total swap derivatives	3,464	10,870
Foreign Exchange Contract
Before-Tax Amount:
Loss (gain) reclassified to net income	224	(412)
Gain (loss) activity recognized in other comprehensive loss	(10,457)	(12,920)
Total swap derivatives	(10,233)	(13,332)
Tax (Expense) or Benefit:
Loss (gain) reclassified to net income	(75)	129
Gain (loss) activity recognized in other comprehensive loss	3,502	4,052
Total swap derivatives	3,427	4,181
Net-of-Tax Amount:
Loss (gain) reclassified to net income	149	(283)
Gain (loss) activity recognized in other comprehensive loss	(6,955)	(8,868)
Total swap derivatives	$ (6,806)	$ (9,151)