CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified
Total
Common Stock
Treasury Stock
Additional Capital
Accumulated Other Comprehensive Loss
Accumulated Deficit
Comprehensive Income
Balance at Dec. 31, 2011 $ 507,786 $ 29 $ (35,548) $ 626,398 $ (3,781) $ (79,312)  
Balance (in shares) at Dec. 31, 2011   28,707 (1,504)        
Increase (Decrease) in Stockholders' Equity              
Common stock issued on exercise of stock options 8     8      
Common stock issued on exercise of stock options (in shares)   1          
Common stock issued under employee stock purchase plan 83     83      
Common stock issued under employee stock purchase plan (in shares)   7          
Common stock issued on vesting of restricted stock (in shares)   2          
Share-based compensation 4,471     4,471      
Comprehensive income:              
Foreign currency translation adjustment 1,918       1,918   1,918
Unrealized gain on derivatives, net of tax 340       340   340
Unrealized gain on available for sale securities, net of tax 368       368   368
Net income 988         988 988
Total comprehensive income 3,614           3,614
Balance at Mar. 31, 2012 $ 515,962 $ 29 $ (35,548) $ 630,960 $ (1,155) $ (78,324)  
Balance (in shares) at Mar. 31, 2012   28,717 (1,504)