Other Comprehensive Income (Schedule of OCI) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 03, 2015	Sep. 27, 2014	Oct. 03, 2015	Sep. 27, 2014
Before-Tax Amount:
Amortization of prior service cost	$ (21)	$ 4	$ (61)	$ 12
Amortization of actuarial loss	1,286	520	3,855	1,559
Total defined benefit pension plans	1,265	524	3,794	1,571
Loss activity recognized in other comprehensive loss	3,300		1,700
Other Comprehensive income (loss)	(37,296)	(69,446)	(127,061)	(56,514)
Tax (Expense) or Benefit:
Amortization of prior service cost	9	(2)	29	(6)
Amortization of actuarial loss	(494)	(201)	(1,496)	(603)
Total defined benefit pension plans	(485)	(203)	(1,467)	(609)
Loss activity recognized in other comprehensive loss	(1,300)	(1,000)	(700)	(900)
Other Comprehensive income (loss)	(1,667)	(693)	(1,832)	(401)
Net-of-Tax Amount:
Amortization of prior service cost	(12)	2	(32)	6
Amortization of actuarial loss	792	319	2,359	956
Total defined benefit pension plans	780	321	2,327	962
Loss activity recognized in other comprehensive loss		2,500		2,400
Foreign currency translation	(41,604)	(71,231)	(131,794)	(57,547)
Net current-period other comprehensive income	(38,963)	(70,139)	(128,893)	(56,915)
Natural Gas Swap [Member]
Before-Tax Amount:
Loss reclassified to net income	0	(70)	0	(427)
Loss activity recognized in other comprehensive loss	0	5	0	160
Total swap derivatives	0	(65)	0	(267)
Tax (Expense) or Benefit:
Loss reclassified to net income	0	27	0	166
Loss activity recognized in other comprehensive loss	0	(2)	0	(63)
Total swap derivatives	0	25	0	103
Net-of-Tax Amount:
Loss reclassified to net income	0	(43)	0	(261)
Loss activity recognized in other comprehensive loss	0	3	0	97
Total swap derivatives	0	(40)	0	(164)
Corn Option [Member]
Before-Tax Amount:
Loss reclassified to net income	(211)	(1,212)	(792)	(2,536)
Loss activity recognized in other comprehensive loss	3,254	2,538	1,731	2,265
Total swap derivatives	3,043	1,326	939	(271)
Tax (Expense) or Benefit:
Loss reclassified to net income	82	470	307	983
Loss activity recognized in other comprehensive loss	(1,264)	(985)	(672)	(878)
Total swap derivatives	(1,182)	(515)	(365)	105
Net-of-Tax Amount:
Loss reclassified to net income	(129)	(742)	(485)	(1,553)
Loss activity recognized in other comprehensive loss	1,990	1,553	1,059	1,387
Total swap derivatives	1,861	811	574	(166)
Accumulated Other Comprehensive Income (Loss) [Member]
Before-Tax Amount:
Foreign currency translation	(41,604)	(71,231)	(131,794)	(57,547)
Tax (Expense) or Benefit:
Foreign currency translation	0	0	0	0
Net-of-Tax Amount:
Foreign currency translation	$ (41,604)	$ (71,231)	$ (131,794)	$ (57,547)