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Employee Benefit Plans - Additional Information (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 26, 2020 | Dec. 28, 2019 | Dec. 29, 2018
Defined Contribution Plan Disclosure [Line Items] |  |  |
Expenses related to other defined contribution plans | $ 63,908 | $ 55,456 | $ 52,232
Defined Contribution Retirement Plan [Member] | Garmin International, Inc & Other U.S. - based Subsidiaries Sponsor [Member] |  |  |
Defined Contribution Plan Disclosure [Line Items] |  |  |
Maximum percentage of annual employee compensation eligible to be contributed to retirement plan | 50.00% |  |

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- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 70 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=49170846&loc=d3e28014-114942 + Details
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- Definition Maximum percentage of employee gross pay the employee may contribute to a defined contribution plan. + References No definition available. + Details
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- Details
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