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CONSOLIDATED CONDENSED STATEMENT OF CHANGES IN STOCKHOLDERS' EQUITY (UNAUDITED) (USD $)
In Thousands, except Share data
Total
Common Stock [Member]
Additional paid-in capital [Member]
Retained earnings [Member]
Treasury stock [Member]
Treasury stock reserved for deferred compensation [Member]
Accumulated other comprehensive income (loss) [Member]
Noncontrolling interest [Member]
Balance, Beginning at Dec. 31, 2010$ 272,031$ 30$ 300,540$ 9,744$ (19,324)$ (1,917)$ (17,042)$ 0
Balance, Beginning (in shares) at Dec. 31, 2010 35,366,727      
Comprehensive income (loss):        
Net income22,520  22,528   (8)
Currency translation adjustment2,932     2,932 
Pension liability adjustments, net of tax1,185     1,185 
Unrealized loss on investment, net of tax13,652     13,652 
Comprehensive income40,289      (8)
Dividends on common stock(421)  (421)    
Note conversion73,909773,902     
Note conversion (in shares) 6,617,709      
Exercise of stock options477 (119) 596   
Exercise of stock options (in shares) 66,375      
Acquisition3,229 848 452  1,929
Acquisition (in shares) 50,396      
Stock-based compensation1,384 1,384     
Deferred compensation transactions1,530 846  684  
Issuance of treasury stock under 401(k) plan268 164 104   
Issuance of treasury stock under 401(k) plan (in shares) 11,674      
Balance, Ending at Jun. 30, 2011$ 392,696$ 37$ 377,565$ 31,851$ (18,172)$ (1,233)$ 727$ 1,921
Balance, Ending (in shares) at Jun. 30, 2011 42,112,881