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Information Regarding Operations in Reportable Segments (Detail) - USD ($) $ 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
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
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
Gain on divestiture |  | $ 28,875 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,875 |  |  | 28,875 |
Multi-employer pension plan withdrawal costs |  |  |  |  |  |  |  |  | 18,268 |  |  |  |  |  | 2,322 |  |  |  | 2,322 | 18,268 |
Loss on inferior ingredients |  |  | 1,219 | (1,891) |  | 3,884 |  |  |  |  |  |  |  |  |  |  |  |  | 3,212 |  |
Restructuring and related impairment charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,767 | 104,130 |
Impairment of assets |  |  | 3,516 |  |  |  |  |  |  |  |  |  |  |  | 2,483 |  |  |  | 5,999 |  | 24,877
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 144,124 | 146,719 | 140,869
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
Capital expenditures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99,422 | 75,232 | 101,727
Unallocated Corporate Costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Restructuring and related impairment charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 252 | 3,982 |
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,516 |  |
Depreciation and amortization | [2] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 300 | (408) | 722
Income from operations | [3] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (64,812) | (95,974) | (53,549)
Capital expenditures | [4] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,704 | 3,982 | 23,266
DSD Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,340,047 | 3,318,563 | 3,284,177
Loss on inferior ingredients |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,655 |  |
DSD Segment | Operating Segments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,423,935 | 3,383,564 | 3,347,616
Multi-employer pension plan withdrawal costs |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,322 | 18,268 |
Loss on inferior ingredients |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,655 |  |
Restructuring and related impairment charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 8,121 | 80,026 |
Impairment of assets |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,483 |  | 24,877
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 122,300 | 126,485 | 120,009
Income from operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 239,510 | 202,239 | 259,982
Capital expenditures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 82,789 | 64,317 | 61,669
DSD Segment | Intersegment Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | (83,888) | (65,001) | (63,439)
Warehouse Segment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 611,805 | 602,170 | 642,708
Loss on inferior ingredients |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,557 |  |
Warehouse Segment | Operating Segments |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 787,431 | 767,844 | 787,233
Gain on divestiture |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28,875 |
Loss on inferior ingredients |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,557 |  |
Restructuring and related impairment charges |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,394 | 20,122 |
Depreciation and amortization |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 21,524 | 20,642 | 20,138
Income from operations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 37,646 | 54,738 | 58,465
Capital expenditures |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14,929 | 6,933 | 16,792
Warehouse Segment | Intersegment Eliminations |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Sales |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ (175,626) | $ (165,674) | $ (144,525)
[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] | Represents costs allocated to the company’s corporate head office.
[3] | Represents costs allocated to the company’s corporate head office and pension settlement loss.
[4] | Represents the company’s corporate head office assets including primarily cash and cash equivalents.

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