v3.26.1
Note 1. Business Description and Summary of Significant Accounting Policies - Summary of Concentration Risk (Details) - Customer Concentration Risk
12 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2024
Philips | Sales Revenue, Net      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 11.00%    
Philips | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 13.00%    
ZF | Sales Revenue, Net      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 11.00% 11.00% 13.00%
ZF | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 13.00%    
Nexteer Automotive | Sales Revenue, Net      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 18.00% 19.00% 16.00%
Nexteer Automotive | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration Risk, Percentage 21.00% 30.00%  
Mando | Accounts Receivable      
Concentration Risk [Line Items]      
Concentration Risk, Percentage   10.00%