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Revenues - Activities and Ending Reserve Balances for Significant Categories of Discounts and Allowances (Details) $ in Thousands | 3 Months Ended
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Mar. 29, 2019 USD ($)
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2018 | $ 17,276
Provision related to sales made in: |
Current period | 43,933
Prior periods | 236
Payments and customer credits issued | (39,629)
Balance at March 31, 2019 | 21,816
Chargebacks and Discounts for Prompt Payment |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2018 | 2,322
Provision related to sales made in: |
Current period | 27,153
Prior periods | 0
Payments and customer credits issued | (27,367)
Balance at March 31, 2019 | 2,108
Other Customer Credits/Fees and Co-pay Assistance |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2018 | 3,038
Provision related to sales made in: |
Current period | 3,875
Prior periods | 9
Payments and customer credits issued | (4,189)
Balance at March 31, 2019 | 2,733
Rebates |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2018 | 11,916
Provision related to sales made in: |
Current period | 12,905
Prior periods | 227
Payments and customer credits issued | (8,073)
Balance at March 31, 2019 | 16,975
Returns |
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward] |
Balance at December 31, 2018 | 0
Provision related to sales made in: |
Current period | 0
Prior periods | 0
Payments and customer credits issued | 0
Balance at March 31, 2019 | $ 0

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