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Business Segments (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 29, 2018 | Sep. 29, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2016 | Oct. 01, 2016 | Jul. 02, 2016 | Apr. 02, 2016 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  | $ 853,130 | $ 812,576 | $ 846,646 | $ 875,374 | $ 952,549 | $ 936,262 | $ 894,930 | $ 878,510 | $ 3,387,726 | $ 3,662,251 | $ 3,391,928
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 2,647,083 | 2,875,443 | 2,635,333
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 309,264 | 343,502 | 311,552
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 14,965 | 0 | 0
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 321,192 | 302,100 | 289,908
Segment operating income/(loss) |  | 23,614 | 18,186 | 21,668 | 31,754 | 36,139 | 34,396 | 38,164 | 32,507 | 95,222 | 141,206 | 154,734
Equity in net income of unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 159,229 | 28,504 | 70,379
Total other expense |  |  |  |  |  |  |  |  |  | (136,476) | (105,510) | (102,574)
Income before income taxes |  | 50,183 | $ (6,540) | $ (27,455) | $ 101,787 | $ 21,934 | $ 14,980 | $ 18,070 | $ 9,216 | 117,975 | 64,200 | 122,539
Segment assets |  | 4,889,354 |  |  |  |  |  |  |  | 4,889,354 | 4,958,225 |
Capital expenditures: | [1] |  |  |  |  |  |  |  |  | 321,896 | 274,168 | 243,523
Capital assets |  | 31,600 |  |  |  |  |  |  |  | 31,600 |  |
Long-Lived Assets |  | 3,991,412 |  |  |  |  |  |  |  | 3,991,412 | 4,001,780 |
North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,817,001 | 1,937,027 | 1,817,659
Long-Lived Assets |  | 2,562,389 |  |  |  |  |  |  |  | 2,562,389 | 2,468,111 |
Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,225,461 | 1,372,750 | 1,225,397
Long-Lived Assets |  | 1,219,084 |  |  |  |  |  |  |  | 1,219,084 | 1,292,020 |
China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 210,657 | 209,780 | 218,480
Long-Lived Assets |  | 136,711 |  |  |  |  |  |  |  | 136,711 | 151,760 |
South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 53,206 | 60,111 | 55,089
Long-Lived Assets |  | 64,916 |  |  |  |  |  |  |  | 64,916 | 81,247 |
Other |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Long-Lived Assets |  | 8,312 |  |  |  |  |  |  |  | 8,312 | 8,642 |
Feed Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,952,555 | 2,239,492 | 2,089,145
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 1,498,698 | 1,744,631 | 1,624,804
Gross Margin |  |  |  |  |  |  |  |  |  | 453,857 | 494,861 | 464,341
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 176,722 | 178,347 | 167,287
Acquisition costs |  |  |  |  |  |  |  |  |  |  |  | 0
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 194,292 | 184,172 | 178,845
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 82,843 | 132,342 | 118,209
Equity in net income of unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | (550) | 265 | 467
Segment income |  |  |  |  |  |  |  |  |  | 82,293 | 132,607 | 118,676
Segment assets |  | 2,566,106 |  |  |  |  |  |  |  | 2,566,106 | 2,614,545 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 237,215 | 191,953 | 167,313
Feed Ingredients [Member] | North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,586,930 | 1,696,081 | 1,580,252
Feed Ingredients [Member] | Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 329,341 | 503,786 | 467,124
Feed Ingredients [Member] | China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 28,288 | 32,103 | 36,193
Feed Ingredients [Member] | South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Food Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 1,139,126 | 1,156,976 | 1,055,725
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 917,859 | 920,383 | 828,072
Gross Margin |  |  |  |  |  |  |  |  |  | 221,267 | 236,593 | 227,653
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 91,546 | 104,644 | 97,168
Acquisition costs |  |  |  |  |  |  |  |  |  |  |  | 0
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 14,965 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 80,988 | 75,010 | 70,120
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 33,768 | 56,939 | 60,365
Equity in net income of unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment income |  |  |  |  |  |  |  |  |  | 33,768 | 56,939 | 60,365
Segment assets |  | 1,401,291 |  |  |  |  |  |  |  | 1,401,291 | 1,499,027 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 51,659 | 50,099 | 50,020
Food Ingredients [Member] | North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 181,213 | 193,950 | 188,506
Food Ingredients [Member] | Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 648,933 | 650,177 | 560,116
Food Ingredients [Member] | China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 182,369 | 177,677 | 182,287
Food Ingredients [Member] | South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 53,206 | 60,111 | 55,089
Fuel Ingredients [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 296,045 | 265,783 | 247,058
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 230,526 | 210,429 | 182,457
Gross Margin |  |  |  |  |  |  |  |  |  | 65,519 | 55,354 | 64,601
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | (4,770) | 10,355 | 6,766
Acquisition costs |  |  |  |  |  |  |  |  |  |  |  | 0
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 34,981 | 31,019 | 28,531
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 35,308 | 13,980 | 29,304
Equity in net income of unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 159,779 | 28,239 | 69,912
Segment income |  |  |  |  |  |  |  |  |  | 195,087 | 42,219 | 99,216
Segment assets |  | 761,817 |  |  |  |  |  |  |  | 761,817 | 688,890 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 27,121 | 24,707 | 22,323
Fuel Ingredients [Member] | North America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 48,858 | 46,996 | 48,901
Fuel Ingredients [Member] | Europe |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 247,187 | 218,787 | 198,157
Fuel Ingredients [Member] | China |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Fuel Ingredients [Member] | South America |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Corporate Segment [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Gross Margin |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 45,766 | 50,156 | 40,331
Acquisition costs |  |  |  |  |  |  |  |  |  |  |  | 401
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 0 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 10,931 | 11,899 | 12,412
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | (56,697) | (62,055) | (53,144)
Equity in net income of unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 0 | 0 | 0
Segment income |  |  |  |  |  |  |  |  |  | (56,697) | (62,055) | (53,144)
Segment assets |  | 160,140 |  |  |  |  |  |  |  | 160,140 | 155,763 |
Capital expenditures: |  |  |  |  |  |  |  |  |  | 5,901 | 7,409 | 3,867
Operating Segments [Member] |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  |  | 3,387,726 | 3,662,251 | 3,391,928
Cost of sales and operating expenses |  |  |  |  |  |  |  |  |  | 2,647,083 | 2,875,443 | 2,635,333
Gross Margin |  |  |  |  |  |  |  |  |  | 740,643 | 786,808 | 756,595
Selling, general and administrative expense |  |  |  |  |  |  |  |  |  | 309,264 | 343,502 | 311,552
Acquisition costs |  |  |  |  |  |  |  |  |  |  |  | 401
Restructuring Costs and Asset Impairment Charges |  |  |  |  |  |  |  |  |  | 14,965 |  |
Depreciation and amortization |  |  |  |  |  |  |  |  |  | 321,192 | 302,100 | 289,908
Segment operating income/(loss) |  |  |  |  |  |  |  |  |  | 95,222 | 141,206 | 154,734
Equity in net income of unconsolidated subsidiaries |  |  |  |  |  |  |  |  |  | 159,229 | 28,504 | 70,379
Segment income |  |  |  |  |  |  |  |  |  | 254,451 | 169,710 | $ 225,113
Segment assets |  | $ 4,889,354 |  |  |  |  |  |  |  | $ 4,889,354 | $ 4,958,225 |
[1] | Excludes capital assets acquired by acquisition in fiscal 2018 of approximately $31.6 million and excludes immaterial capital assets acquired by acquisition in fiscal 2017 and fiscal 2016.

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