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Restructuring - Schedule of Components of Restructuring Expenses Including in Condensed Consolidated Statements of (Loss) Income (Detail) - USD ($)
$ in Thousands
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses $ 17,110 $ 2,437
Cost of Sales [Member]    
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses 11,248 76
Cost of Sales [Member] | Network Solutions [Member]    
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses 2,318 58
Cost of Sales [Member] | Services & Support [Member]    
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses 148 18
Inventory Write Down [Member] | Network Solutions [Member]    
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses 8,782  
Selling, General and Administrative Expenses [Member]    
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses 1,801 2,180
Research and Development Expenses [Member]    
Restructuring Cost And Reserve [Line Items]    
Total restructuring expenses $ 4,061 $ 181