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Consolidated Financial Statement Details (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 30, 2017 | Dec. 29, 2018 | Dec. 30, 2017 | Dec. 31, 2016
Other Current Liabilities [Abstract] |  |  |  |  |  |
Accrued discounts and allowances | $ 39,500 | $ 48,600 | $ 39,500 |  |  |
Taxes payable, current | 9,200 | 5,000 | 9,200 |  |  |
Accrued interest | 5,900 | 5,800 | 5,900 |  |  |
Environmental expense, non operating properties | $ 6,200 | 3,600 | 4,300 |  |  |
Other (Expense) Income, Net [Abstract] |  |  |  |  |  |
Net periodic benefit income (cost) |  | 2,914 | 1,150 |  | $ (1,687) |
Interest income |  | 624 | 684 |  | 1,185 |
Other |  | 429 | 1,117 |  | 797 |
Other income, net |  | $ 3,967 | $ 2,951 | [1] | $ 295 | [1]
[1] | The Consolidated Statements of Income for prior periods have been adjusted to reflect the adoption of ASU 2017-07, Compensation - Retirement Benefits (Topic 715): Improving the Presentation of Net Periodic Pension Cost and Net Periodic Postretirement Benefit Cost. The components of net periodic benefit cost (income) other than the service cost component are included in other income, net in the Consolidated Statements of Income. Refer to Note 1 for further discussion.

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