v2.3.0.15
CONDENSED CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY AND COMPREHENSIVE INCOME (USD $)
In Thousands, except Share data
Total
Common Stock
Additional Paid-in Capital
Accumulated Other Comprehensive Loss
Retained Earnings
Comprehensive Income
Balance at Dec. 31, 2010$ 757,841$ 75$ 559,675$ (702)$ 198,793 
Balance (in shares) at Dec. 31, 2010 75,110,875    
Comprehensive income, net of tax:      
Pension liability adjustment46  46 46
Unrealized gain on investments held for sale(25)  (25) (25)
Net income84,494   84,49484,494
Total comprehensive income84,515    84,515
Stock-based compensation3,776 3,776   
Issuance of common stock upon exercise of stock options330 330   
Issuance of common stock upon exercise of stock options (in shares) 14,739    
Excess income tax benefit from stock-based compensation434 434   
Vesting of restricted common stock, net of restricted common stock used to fund employee income tax withholding due upon vesting(1,077) (1,077)   
Vesting of restricted common stock, net of restricted common stock used to fund employee income tax withholding due upon vesting (in shares) 78,030    
Balance at Sep. 30, 2011$ 845,819$ 75$ 563,138$ (681)$ 283,287 
Balance (in shares) at Sep. 30, 2011 75,203,644