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Acquisitions (Details) - USD ($) $ in Thousands | 1 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jan. 31, 2020 | Oct. 31, 2018 | Sep. 29, 2018 | May 31, 2018 | Jan. 31, 2018 | Dec. 28, 2019 | Dec. 29, 2018 | Dec. 30, 2017 | Oct. 05, 2018
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Payments to Acquire Businesses, Net of Cash Acquired |  | $ 50,400 |  | $ 51,300 |  | $ 1,431 | $ 107,727 | $ 12,144 |
Goodwill |  |  |  | 19,600 |  | 1,223,291 | 1,229,159 | 1,301,093 | $ 8,400
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets |  |  |  | $ 600 |  |  |  |  | 9,000
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life |  | 15 years |  | 15 years |  |  |  |  |
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment |  |  |  | $ 15,200 |  |  |  |  | 11,200
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles |  |  |  | 15,900 |  |  |  |  | $ 21,800
Gain (Loss) on Sale of Other Investments |  |  | $ 3,000 |  |  |  |  |  |
Proceeds from sale of investment in subsidiary |  |  |  | 80,000 |  | 3,671 | 82,760 | 0 |
Gain (Loss) on Disposition of Business |  |  |  | $ 15,600 |  | 2,967 | (12,545) | $ (885) |
Acquisition Of Noncontrolling Interest |  |  |  |  |  | $ 19,100 |  |  |
Proceeds from Divestiture of Businesses |  |  |  |  | $ 2,800 |  |  |  |
Assets Held-for-sale, Not Part of Disposal Group |  |  |  |  |  |  | 37,800 |  |
Liabilities for sale |  |  |  |  |  |  | 19,200 |  |
Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down |  |  |  |  |  |  | $ 900 |  |
Subsequent Event [Member] |  |  |  |  |  |  |  |  |
Business Acquisition [Line Items] |  |  |  |  |  |  |  |  |
Business Combination, Step Acquisition, Equity Interest in Acquiree, Including Subsequent Acquisition, Percentage | 50.00% |  |  |  |  |  |  |  |
Acquisition Of Noncontrolling Interest | $ 12,200 |  |  |  |  |  |  |  |
Ownership Percentage | 100.00% |  |  |  |  |  |  |  |

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