v3.26.3
NET PRODUCT REVENUES - Schedule of Balances and Activity in Each Product Revenue Allowance and Reserve Category (Detail)
$ in Thousands
 9 Months Ended
Sep. 30, 2026
USD ($)
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]  
Beginning balance $ 425,650
Provision related to current year sales 1,064,511
Provision related to prior years’ sales (7,037)
Credit or payments made during the period for current year sales (670,303)
Credit or payments made during the period for prior years’ sales (255,848)
Ending balance 556,973
Chargebacks and Rebates  
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]  
Beginning balance 399,853
Provision related to current year sales 968,692
Provision related to prior years’ sales (6,045)
Credit or payments made during the period for current year sales (598,591)
Credit or payments made during the period for prior years’ sales (239,525)
Ending balance 524,384
Other Incentives and Allowances  
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]  
Beginning balance 25,797
Provision related to current year sales 95,819
Provision related to prior years’ sales (992)
Credit or payments made during the period for current year sales (71,712)
Credit or payments made during the period for prior years’ sales (16,323)
Ending balance $ 32,589