XML 70 R83.htm IDEA: XBRL DOCUMENT v2.4.0.8
Stock Option And Stock Award Plans (Narrative) (Details) (USD $)
 12 Months Ended 24 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Dec. 31, 2013
Restricted Stock
Dec. 31, 2013
Stock Option-Based Awards
Dec. 31, 2013
Non-Vested Restricted Stock And Other Stock-Based Awards
Dec. 31, 2011
Granted Prior To 2012
Employee Options
Dec. 31, 2013
Granted In 2012 And Thereafter
Employee Options
Deferred Compensation Arrangement with Individual, Share-based Payments [Line Items]                
Options may be granted to purchase specified number of common shares under stock option plan, maximum term 10 years              
Option vesting period       3 years     2 years 4 years
The total intrinsic value of stock options exercised $ 1,300,000 $ 500,000 $ 400,000          
The grant-date fair value of stock option-based awards vested 1,700,000 2,100,000 1,900,000          
Unrecognized compensation cost         $ 1,200,000 $ 1,800,000    
Weighted average period for the cost expected to be recognized         1 year 6 months 1 year 6 months    
Stock options exercisable 769,825 714,800            
Total stock options available for grant 2,361,926