XML 56 R6.htm IDEA: XBRL DOCUMENT v2.4.0.8
CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $)
In Thousands, except Share data, unless otherwise specified
Total
Common Stock [Member]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Balance at Dec. 31, 2010 $ 219,487 $ 365 $ 224,139 $ (5,021) $ 4
Balance (in shares) at Dec. 31, 2010   36,398,811      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of common stock options (in shares)   293,893      
Exercise of common stock options 1,724 2 1,722    
Employee stock purchase plan (in shares)   187,036      
Employee stock purchase plan 977 2 975    
Stock repurchase and retirement (in shares)   (323,361)      
Stock repurchase and retirement (2,230) (3) (1,985) (242)  
Stock-based compensation expense 5,868   5,868    
Vesting of restricted stock units and restricted stock awards (in shares)   455,871      
Vesting of restricted stock units and restricted stock awards (2,219) 4 (2,223)    
Tax deficiency from stock-based compensation 881   881    
Fair value adjustment of derivatives, net of income tax (380)       (380)
Translation adjustments (1,662)       (1,662)
Net income (loss) 24,297     24,297  
Balance at Dec. 31, 2011 246,743 370 229,377 19,034 (2,038)
Balance (in shares) at Dec. 31, 2011   37,012,250      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of common stock options (in shares)   968,206      
Exercise of common stock options 7,041 10 7,031    
Employee stock purchase plan (in shares)   154,934      
Employee stock purchase plan 1,344 2 1,342    
Stock-based compensation expense 9,558   9,558    
Vesting of restricted stock units and restricted stock awards (in shares)   520,652      
Vesting of restricted stock units and restricted stock awards (5,535) 5 (5,540)    
Tax deficiency from stock-based compensation 4,528   4,528    
Stock Issued During Period, Shares, Acquisitions   14,304,528      
Stock Issued During Period, Value, Acquisitions 225,558 143 225,415    
Fair value adjustment of derivatives, net of income tax (21)       (21)
Translation adjustments 854       854
Net income (loss) 42,653     42,653  
Balance at Dec. 31, 2012 532,723 530 471,711 61,687 (1,205)
Balance (in shares) at Dec. 31, 2012 52,960,570 52,960,570      
Increase (Decrease) in Stockholders' Equity [Roll Forward]          
Exercise of common stock options (in shares)   393,183      
Exercise of common stock options 3,198 3 3,195    
Employee stock purchase plan (in shares)   203,200      
Employee stock purchase plan 3,856 2 3,854    
Stock-based compensation expense 13,911   13,911    
Vesting of restricted stock units and restricted stock awards (in shares)   369,572      
Vesting of restricted stock units and restricted stock awards (4,693) 4 (4,697)    
Tax deficiency from stock-based compensation 5,305   5,305    
Fair value adjustment of derivatives, net of income tax 193       193
Translation adjustments 1,128       1,128
Net income (loss) 84,512     84,512  
Balance at Dec. 31, 2013 $ 640,133 $ 539 $ 493,279 $ 146,199 $ 116
Balance (in shares) at Dec. 31, 2013 53,926,525 53,926,525