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Consolidated Statements of Income - USD ($) shares in Thousands, $ in Thousands |  | 3 Months Ended | 4 Months Ended | 12 Months Ended
--- | --- | --- | --- | ---
Jan. 14, 2017 | Dec. 29, 2018 | Oct. 06, 2018 | Jul. 14, 2018 | Dec. 30, 2017 | Oct. 07, 2017 | Jul. 15, 2017 | [1] | Dec. 31, 2016 | Oct. 08, 2016 | Jul. 16, 2016 | Apr. 21, 2018 | Apr. 22, 2017 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Income Statement [Abstract] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  | $ 880,667 |  | $ 923,449 | [1] | $ 941,283 | [1] | $ 873,623 |  | $ 932,822 | [1] | $ 926,639 |  |  |  |  | $ 1,206,453 | [1] | $ 1,187,649 | [1] | $ 3,951,852 | $ 3,920,733 | $ 3,926,885
Materials, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately below) |  | 467,155 | [2] | 485,680 | [1],[2] | 488,871 | [1],[2] | 456,895 | [2] | 476,264 | [1],[2] | 468,246 | [2] |  |  |  | 625,122 | [1],[2] | 608,068 | [1],[2] | 2,066,828 | 2,009,473 | 2,026,859
Selling, distribution and administrative expenses |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,507,256 | 1,510,015 | 1,469,382
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 144,124 | 146,719 | 140,869
Restructuring and related impairment charges |  | 7,210 |  | 497 |  | 801 |  | 3,581 |  | 100,549 |  |  |  |  |  |  | 1,259 |  |  |  | 9,767 | 104,130 |
Gain on divestiture | $ (28,875) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (28,875) |  |  | (28,875) |
Loss on inferior ingredients |  | 1,219 |  | (1,891) |  | 3,884 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,212 |  |
Multi-employer pension plan withdrawal costs |  |  |  |  |  |  |  |  |  | 18,268 |  |  |  |  |  |  | 2,322 |  |  |  | 2,322 | 18,268 |
Impairment of assets |  | 3,516 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,483 |  |  |  | 5,999 |  | 24,877
Income from operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 212,344 | 161,003 | 264,898
Interest expense |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 35,686 | 36,557 | 34,905
Interest income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (27,755) | (22,938) | (20,552)
Pension plan settlement loss |  | 1,148 |  | 930 |  | 1,035 |  | 1,619 |  | 3,030 |  |  |  | $ 173 | $ 1,832 | $ 4,641 | 4,668 |  |  |  | 7,781 | 4,649 | 6,646
Other components of net periodic pension and postretirement benefits credit |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (529) | (6,558) | (5,638)
Income before income taxes |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 197,161 | 149,293 | 249,537
Income tax expense (benefit) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40,001 | (827) | 85,761
Net income |  | $ 20,841 |  | $ 39,630 | [1] | $ 45,442 | [1] | $ 78,533 |  | $ (33,571) | [1] | $ 44,740 |  |  |  |  | $ 51,247 | [1] | $ 60,418 | [1] | $ 157,160 | $ 150,120 | $ 163,776
Basic: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income per common share |  | $ 0.10 |  | $ 0.19 | [1] | $ 0.22 | [1] | $ 0.37 |  | $ (0.16) | [1] | $ 0.21 |  |  |  |  | $ 0.24 | [1] | $ 0.29 | [1] | $ 0.74 | $ 0.72 | $ 0.79
Weighted average shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 211,016 | 209,573 | 208,511
Diluted: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Net income per common share |  | $ 0.10 |  | $ 0.19 | [1] | $ 0.21 | [1] | $ 0.37 |  | $ (0.16) | [1] | $ 0.21 |  |  |  |  | $ 0.24 | [1] | $ 0.29 | [1] | $ 0.74 | $ 0.71 | $ 0.78
Weighted average shares outstanding |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 211,632 | 210,435 | 210,354
Cash dividends paid per common share |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 0.7100 | $ 0.6700 | $ 0.6250
[1] | As disclosed in Note 4, Financial Statement Revisions, the company reported cash receipts and payments for the repurchase and sale of territories and cash paid at issuance of notes receivable at net when these transactions should have been disaggregated. We concluded that the errors were not material to any of these prior periods that were impacted. The error resulted in an understatement of cash flows from operating activities and cash flows used in investing activities of $5.9 million, $12.1 million and $12.8 million, respectively, for the sixteen, twenty-eight, and forty-week amounts included in the first, second, and third quarters of fiscal 2017, respectively. These amounts were revised upon subsequent presentation of these financial statements.
[2] | The company does not report gross margin. This line item presents our material, supplies, labor and other production costs (exclusive of depreciation and amortization shown separately) under an alternative presentation.

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- Definition Amount of expense (reversal of expense) for net periodic benefit cost components, excluding service cost component, of defined benefit plan. Amount includes, but is not limited to, interest cost, expected (return) loss on plan asset, amortization of prior service cost (credit), amortization of (gain) loss, amortization of transition (asset) obligation, settlement (gain) loss, curtailment (gain) loss and certain termination benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 20 -Section 45 -Paragraph 3A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109237824&loc=SL108413299-114919 + Details
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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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- Definition Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan and expenses resulting from the write-down of assets. Excludes expenses related to a business combination, a discontinued operation or an asset retirement obligation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3602-108585 + Details
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- Definition Amount, excluding tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value added and excise. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130543-203045 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130539-203045 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 606 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=109196051&loc=SL49130545-203045 + Details
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- Definition The aggregate total costs related to selling a firm's product and services, as well as all other general and administrative expenses. Direct selling expenses (for example, credit, warranty, and advertising) are expenses that can be directly linked to the sale of specific products. Indirect selling expenses are expenses that cannot be directly linked to the sale of specific products, for example telephone expenses, Internet, and postal charges. General and administrative expenses include salaries of non-sales personnel, rent, utilities, communication, etc. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 30 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=68048583&loc=d3e3636-108311 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.4) -URI http://asc.fasb.org/extlink&oid=115205541&loc=SL114868664-224227 + Details
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- Definition The average number of shares or units issued and outstanding that are used in calculating diluted EPS or earnings per unit (EPU), determined based on the timing of issuance of shares or units in the period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 16 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1505-109256 + Details
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- Definition Number of [basic] shares or units, after adjustment for contingently issuable shares or units and other shares or units not deemed outstanding, determined by relating the portion of time within a reporting period that common shares or units have been outstanding to the total time in that period. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=109260490&loc=d3e1448-109256 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 260 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6371337&loc=d3e3550-109257 + Details
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