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INDEBTEDNESS (Details) - USD ($)
3 Months Ended
Dec. 31, 2021
Oct. 01, 2021
Jan. 01, 2021
Debt Instrument [Line Items]      
Debt outstanding $ 0    
Financial Standby Letter of Credit      
Debt Instrument [Line Items]      
Letters of credit outstanding 181,000   $ 181,000
Unsecured Revolving Credit Facilities At Foreign Subsidiaries      
Debt Instrument [Line Items]      
Debt outstanding   $ 0 0
Unsecured revolving credit facilities 0   $ 0
Revolving Credit Facility      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 125,000,000    
Interest rate (in percent) 1.10%   1.10%
Revolving Credit Facility | Minimum | LIBOR      
Debt Instrument [Line Items]      
Margin percentage 1.00%    
Revolving Credit Facility | Maximum | LIBOR      
Debt Instrument [Line Items]      
Margin percentage 1.75%    
Revolving Credit Facility | Revolvers Borrowing Capacity Standard      
Debt Instrument [Line Items]      
Maximum borrowing capacity $ 75,000,000    
Accordion feature $ 50,000,000