v3.26.1
STOCK-BASED COMPENSATION - Schedule of Compensation Expense, Fair Value, and Intrinsic Value Related to Rsu's (Details) - Restricted Stock Units - USD ($)
$ in Thousands
6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Share-based Compensation Arrangement by Share-based Payment Award    
Compensation expense, Total $ 18,220 $ 21,581
Fair value of units vested 35,035 41,854
Intrinsic value of units vested 37,464 51,645
Income Statement Location [Axis]: us-gaap:CostOfGoodsAndServiceExcludingDepreciationDepletionAndAmortization    
Share-based Compensation Arrangement by Share-based Payment Award    
Compensation expense, Total 1,624 1,847
Income Statement Location [Axis]: atr:SellingResearchAndDevelopmentAndAdministrativeExpenses    
Share-based Compensation Arrangement by Share-based Payment Award    
Compensation expense, Total $ 16,596 $ 19,734