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v3.19.1

Revenue Recognition (Details) - USD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 30, 2019 | Mar. 31, 2018
Sales returns and allowances accrual activity [Roll Forward] |  |
Beginning balance | $ 42,663 | $ 36,680
Sales allowances | 28,211 | 24,188
Credits issued | (33,062) | (28,450)
Foreign currency | (235) | 288
Ending balance | $ 37,577 | $ 32,706

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