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Commitments and Contingencies (Narratives) (Details) |  |  | 12 Months Ended
--- | --- | --- | ---
Jan. 14, 2019 USD ($) | Jan. 26, 2016 USD ($) patent | Dec. 28, 2018 USD ($) | Dec. 29, 2017 USD ($) | Dec. 30, 2016 USD ($)
Gain Contingencies [Line Items] |  |  |  |  |
Gain on litigation settlement |  | $ 0 |  |  |
Expenses related to license agreements |  |  | $ 852,347,000 | $ 782,070,000 | $ 737,823,000
Standard product warranty description |  |  | The Company generally warrants that its products will meet customer specifications and will be free from defects in materials and workmanship. |  |
Self Insurance Reserve |  |  | $ 4,200,000 | 5,800,000 |
Other Noncurrent Liabilities [Member] |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |
Environmental matter accruals |  |  |  | 1,000,000 |
Positive Outcome of Litigation [Member] |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |
Number of patents found infringed upon | patent |  | 3 |  |  |
Settlement amount |  | $ 37,500,000 |  |  |
Royalty [Member] |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |
Expenses related to license agreements |  |  | $ 1,600,000 | $ 1,100,000 | $ 1,000,000
Subsequent Event [Member] | Positive Outcome of Litigation [Member] |  |  |  |  |
Gain Contingencies [Line Items] |  |  |  |  |
Settlement amount | $ 22,200,000 |  |  |  |

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