Annual report pursuant to Section 13 and 15(d)

Stock Plans and Management Compensation (Details 2)

v2.4.0.8
Stock Plans and Management Compensation (Details 2) (USD $)
In Thousands, except Per Share data, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Range 01 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower range limit (in dollars per share) $ 3.37
Exercise price range, upper range limit (in dollars per share) $ 5.99
Number of outstanding options (in shares) 501
Outstanding options, weighted average remaining years of contractual life (in years) 5 years
Outstanding options, weighted average exercise price (in dollars per share) $ 5.25
Number of options exercisable (in shares) 501
Exercisable options, weighted average remaining years of contractual life (in years) 5 years
Exercisable options, weighted average exercise price (in dollars per share) $ 5.25
Range 02 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower range limit (in dollars per share) $ 6.00
Exercise price range, upper range limit (in dollars per share) $ 19.90
Number of outstanding options (in shares) 1,631
Outstanding options, weighted average remaining years of contractual life (in years) 5 years 8 months 12 days
Outstanding options, weighted average exercise price (in dollars per share) $ 12.46
Number of options exercisable (in shares) 1,102
Exercisable options, weighted average remaining years of contractual life (in years) 5 years 7 months 6 days
Exercisable options, weighted average exercise price (in dollars per share) $ 12.83
Range 03 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower range limit (in dollars per share) $ 19.91
Exercise price range, upper range limit (in dollars per share) $ 39.56
Number of outstanding options (in shares) 1,407
Outstanding options, weighted average remaining years of contractual life (in years) 5 years 8 months 12 days
Outstanding options, weighted average exercise price (in dollars per share) $ 26.22
Number of options exercisable (in shares) 718
Exercisable options, weighted average remaining years of contractual life (in years) 4 years 4 months 24 days
Exercisable options, weighted average exercise price (in dollars per share) $ 29.89
Range 04 [Member]
 
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]  
Exercise price range, lower range limit (in dollars per share) $ 39.57
Exercise price range, upper range limit (in dollars per share) $ 46.25
Number of outstanding options (in shares) 286
Outstanding options, weighted average remaining years of contractual life (in years) 1 year 1 month 6 days
Outstanding options, weighted average exercise price (in dollars per share) $ 46.04
Number of options exercisable (in shares) 286
Exercisable options, weighted average remaining years of contractual life (in years) 1 year 1 month 6 days
Exercisable options, weighted average exercise price (in dollars per share) $ 46.04