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Condensed Consolidated Balance Sheets (Parentheticals) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Allowances for Accounts Receivable (in dollars) $ 12,273 $ 8,943
Common stock par value $ 0.0001  
Common stock, shares authorized 245,000,000  
Common stock, shares issued 134,029,000 133,247,000
Common stock, shares outstanding 80,557,000 82,616,000
Treasury stock-shares at cost 53,472,000 50,631,000
Preferred Class A [Member]    
Preferred stock-par value $ 0.0001  
Preferred stock- shares authorized 5,000,000  
Preferred Class B [Member]    
Preferred stock-par value $ 0.0001  
Preferred stock- shares authorized 60,000