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Component: (Network and Table)
Network
00000039 - Disclosure - Summary of Significant Accounting Policies (Details 4)
(http://garmin.com/role/SummaryOfSignificantAccountingPoliciesDetails4)
Table(Implied)
Slicers (applies to each fact value in each table cell)
Reporting Entity [Axis]0001121788 (http://www.sec.gov/CIK)
Accounting Policies [Abstract]Period [Axis]
2015-12-27 - 2016-12-31
2014-12-28 - 2015-12-26
2013-12-29 - 2014-12-27
Accounting Policies [Abstract]
 
 
 
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
 
 
 
Balance - beginning of period
30,449,000  
27,609,000  
26,767,000  
Accrual for products sold
61,578,000 1
44,620,000 1
44,423,000 1
Expenditures
(54,794,000) 
(41,780,000) 
(43,581,000) 
Balance - end of period
37,233,000  
 
30,449,000  
 
27,609,000  
 
1: Minor changes in cost estimates related to pre-existing warranties are aggregated with accruals for new warranty contracts in the 'accrual for products sold' line.