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Stock-Based Compensation (Stock Options) - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
 6 Months Ended 12 Months Ended
Dec. 31, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Jul. 22, 2022
Jul. 15, 2022
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Unrecognized compensation expense related to stock options $ 8,300 $ 8,300        
Recognition period of unvested compensation expense   2 years 4 months 24 days        
Aggregate intrinsic value based on fair market value $ 16,251 $ 16,251 $ 6,669      
Total pre-tax intrinsic value of options exercised   $ 4,000        
Weighted-average estimated fair value per share of stock options granted to employees   $ 5.81        
Number of Stock options, granted     0 0    
Maximum [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Options available for issuance under shareholders-approved equity plan 2,300,000 2,300,000        
ADVA Optical Networking SE [Member]            
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]            
Unrecognized compensation expense related to stock options $ 100 $ 100        
Recognition period of unvested compensation expense   1 year 2 months 1 day        
Options available for issuance under shareholders-approved equity plan         2,100,000  
Aggregate intrinsic value based on fair market value 1,222 $ 1,222       $ 27,205
Total pre-tax intrinsic value of options exercised $ 1,600