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Commitments and contingencies (Tables) | 12 Months Ended
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Dec. 29, 2018
Commitments And Contingencies Disclosure [Abstract] |
Contractual Obligation, Fiscal Year Maturity Schedule [Table Text Block] | Minimum commitments under operating leases, principally related to manufacturing plants, warehouses, office facilities, machinery and equipment, and farmland, for the next five fiscal years and thereafter are as follows:
|  |  |  | 2019 | 2020 | 2021 | 2022 | 2023 | Thereafter | Total
|  |  |  | $ | $ | $ | $ | $ | $ | $
Operating lease obligations | 19,207 | 17,356 | 14,451 | 12,622 | 8,389 | 47,852 | 119,877

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- Definition Tabular disclosure of the aggregate amount of payments due on known contractual obligations for the five years following the date of the latest balance sheet and the combined aggregate amount of maturities of known contractual obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher SEC -Name Regulation S-K (SK) -Number 229 -Section 303 -Paragraph a -Subparagraph 5 + Details
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