XML 114 R96.htm IDEA: XBRL DOCUMENT v3.6.0.2
Note 13 - Employee Benefit Plans - Stock Options Outstanding by Range of Exercise Prices (Details)
 12 Months Ended
Dec. 31, 2016
$ / shares
shares
Range of exercise prices, minimum (in dollars per share) $ 17.55
Range of exercise prices, maximum (in dollars per share) $ 48.13
Options outstanding, number of shares (in shares) | shares 473
Options outstanding, weighted average remaining contractual life (Year) 7 years 262 days
Options outstanding, weighted average exercise price (in dollars per share) $ 42.84
Options exercisable, number of shares (in shares) | shares 322
Options exercisable, weighted average exercise price (in dollars per share) $ 41.82
Range01 [Member]  
Range of exercise prices, minimum (in dollars per share) 17.55
Range of exercise prices, maximum (in dollars per share) $ 21.29
Options outstanding, number of shares (in shares) | shares 13
Options outstanding, weighted average remaining contractual life (Year) 4 years 211 days
Options outstanding, weighted average exercise price (in dollars per share) $ 19.93
Options exercisable, number of shares (in shares) | shares 8
Options exercisable, weighted average exercise price (in dollars per share) $ 19.58
Range 02 [Member]  
Range of exercise prices, minimum (in dollars per share) 21.51
Range of exercise prices, maximum (in dollars per share) $ 21.51
Options outstanding, number of shares (in shares) | shares 2
Options outstanding, weighted average remaining contractual life (Year) 3 years 18 days
Options outstanding, weighted average exercise price (in dollars per share) $ 21.51
Options exercisable, number of shares (in shares) | shares 2
Options exercisable, weighted average exercise price (in dollars per share) $ 21.51
Range 03 [Member]  
Range of exercise prices, minimum (in dollars per share) 28.42
Range of exercise prices, maximum (in dollars per share) $ 28.42
Options outstanding, number of shares (in shares) | shares 18
Options outstanding, weighted average remaining contractual life (Year) 138 days
Options outstanding, weighted average exercise price (in dollars per share) $ 28.42
Options exercisable, number of shares (in shares) | shares 18
Options exercisable, weighted average exercise price (in dollars per share) $ 28.42
Range 04 [Member]  
Range of exercise prices, minimum (in dollars per share) 30.31
Range of exercise prices, maximum (in dollars per share) $ 30.31
Options outstanding, number of shares (in shares) | shares 26
Options outstanding, weighted average remaining contractual life (Year) 1 year 127 days
Options outstanding, weighted average exercise price (in dollars per share) $ 30.31
Options exercisable, number of shares (in shares) | shares 26
Options exercisable, weighted average exercise price (in dollars per share) $ 30.31
Range 05 [Member]  
Range of exercise prices, minimum (in dollars per share) 40.57
Range of exercise prices, maximum (in dollars per share) $ 40.57
Options outstanding, number of shares (in shares) | shares 41
Options outstanding, weighted average remaining contractual life (Year) 8 years
Options outstanding, weighted average exercise price (in dollars per share) $ 40.57
Options exercisable, number of shares (in shares) | shares 40
Options exercisable, weighted average exercise price (in dollars per share) $ 40.57
Range 06 [Member]  
Range of exercise prices, minimum (in dollars per share) 40.72
Range of exercise prices, maximum (in dollars per share) $ 40.72
Options outstanding, number of shares (in shares) | shares 2
Options outstanding, weighted average remaining contractual life (Year) 7 years 321 days
Options outstanding, weighted average exercise price (in dollars per share) $ 40.72
Options exercisable, number of shares (in shares) | shares 1
Options exercisable, weighted average exercise price (in dollars per share) $ 40.72
Range 07 [Member]  
Range of exercise prices, minimum (in dollars per share) 44.40
Range of exercise prices, maximum (in dollars per share) $ 44.40
Options outstanding, number of shares (in shares) | shares 52
Options outstanding, weighted average remaining contractual life (Year) 8 years 83 days
Options outstanding, weighted average exercise price (in dollars per share) $ 44.40
Options exercisable, number of shares (in shares) | shares 24
Options exercisable, weighted average exercise price (in dollars per share) $ 44.40
Range 08 [Member]  
Range of exercise prices, minimum (in dollars per share) 45.50
Range of exercise prices, maximum (in dollars per share) $ 45.50
Options outstanding, number of shares (in shares) | shares 258
Options outstanding, weighted average remaining contractual life (Year) 8 years 222 days
Options outstanding, weighted average exercise price (in dollars per share) $ 45.50
Options exercisable, number of shares (in shares) | shares 200
Options exercisable, weighted average exercise price (in dollars per share) $ 45.50
Range 09 [Member]  
Range of exercise prices, minimum (in dollars per share) 47.02
Range of exercise prices, maximum (in dollars per share) $ 47.02
Options outstanding, number of shares (in shares) | shares 58
Options outstanding, weighted average remaining contractual life (Year) 9 years 18 days
Options outstanding, weighted average exercise price (in dollars per share) $ 47.02
Options exercisable, number of shares (in shares) | shares
Options exercisable, weighted average exercise price (in dollars per share)
Range 10 [Member]  
Range of exercise prices, minimum (in dollars per share) 48.13
Range of exercise prices, maximum (in dollars per share) $ 48.13
Options outstanding, number of shares (in shares) | shares 3
Options outstanding, weighted average remaining contractual life (Year) 8 years 259 days
Options outstanding, weighted average exercise price (in dollars per share) $ 48.13
Options exercisable, number of shares (in shares) | shares 3
Options exercisable, weighted average exercise price (in dollars per share) $ 48.13