Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Narrative (Details)

v3.21.2
Fair Value Measurements - Narrative (Details)
$ in Thousands
 9 Months Ended
Sep. 25, 2021
USD ($)
Sep. 26, 2020
USD ($)
Dec. 26, 2020
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Change in fair value of contingent consideration $ (1,110) $ (1,300)  
Measurement Input, Price Volatility | Valuation Technique, Option Pricing Model      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Warrants, measurement input 0.35    
Measurement Input, Risk Free Interest Rate | Valuation Technique, Option Pricing Model      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Warrants, measurement input 0.0093    
6.375% Senior Notes      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Debt instrument, stated rate 6.375%    
Instafob      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Change in fair value of contingent consideration $ (418)    
Resharp      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Change in fair value of contingent consideration (692)    
Other accrued expenses | Instafob      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Contingent consideration, current 472   $ 417
Other non-current liabilities | Resharp      
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Contingent consideration, non-current $ 12,589   $ 13,780