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Guarantees - Activity Related to Warranty (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Movement in Standard Product Warranty Accrual [Roll Forward]    
Beginning balance $ 41,021 $ 30,909
Charges to operations 5,420 4,357
Utilization (5,803) (4,438)
Change in estimate (887) 20
Balance at the end of the period $ 39,751 $ 30,848