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Income Taxes - Reconciliation of the Beginning and Ending Amount of Unrecognized Tax Benefits (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
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Dec. 28, 2019 | Dec. 29, 2018 | Dec. 28, 2019 | Dec. 29, 2018
Income Tax Disclosure [Abstract] |  |  |  |
Unrecognized tax benefits |  |  | $ 18,259 | $ 7,660
Additions for tax positions taken in the current year |  |  | 1,305 | 2,929
Additions for tax positions related to the pre-acquisition periods of acquired subsidiaries |  |  |  | 9,394
Decreases due to a lapse in the statute of limitations | $ (3,300) | $ (1,500) | (2,758) | (1,257)
Other |  |  | (85) | (467)
Unrecognized tax benefits | $ 16,721 | $ 18,259 | $ 16,721 | $ 18,259

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- Definition Amount of unrecognized tax benefits. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 10B -URI http://asc.fasb.org/extlink&oid=116821951&loc=SL37586934-109318 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=SL6600010-109319 + Details
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