XML 72 R63.htm IDEA: XBRL DOCUMENT v3.22.1
Restructuring and Other Related Costs - Narrative (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 26, 2022
Dec. 25, 2021
Restructuring Cost and Reserve [Line Items]    
Restructuring and other related costs $ 7,420  
Restructuring liability 6,895 $ 8,882
Severance and other related expenses    
Restructuring Cost and Reserve [Line Items]    
Restructuring and other related costs 1,601  
Restructuring liability 5,420 $ 7,536
Severance and other related expenses | Telecom Holding Parent LLC    
Restructuring Cost and Reserve [Line Items]    
Restructuring liability 900  
2021 Restructuring Plan    
Restructuring Cost and Reserve [Line Items]    
Restructuring and other related costs 5,500  
2021 Restructuring Plan | Severance and other related expenses    
Restructuring Cost and Reserve [Line Items]    
Restructuring liability 6,000  
2021 Restructuring Plan | Minimum    
Restructuring Cost and Reserve [Line Items]    
Estimated costs 15,000  
2021 Restructuring Plan | Maximum    
Restructuring Cost and Reserve [Line Items]    
Estimated costs $ 17,000