XML 62 R45.htm IDEA: XBRL DOCUMENT v3.3.1.900
Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2015
Stockholders' Equity [Abstract]  
Stock option and restricted stock activity
The following table summarizes stock option and restricted stock activity for the Plan:

   
Stock Options
  
Restricted Shares
 
  
Shares
Available for
Grant
  
Shares
  
Weighted
Average
Exercise
Price Per
Share ($)
  
Shares
  
Weighted
Average
Exercise
Price Per
Share ($)
 
  
  
  
  
  
 
Balance January 1, 2013
  
1,491,974
   
1,395,520
  
$
28.31
   
183,660
  
$
31.25
 
Granted
  
(351,995
)
  
239,770
   
41.42
   
112,225
   
41.44
 
Exercised/vested
  
-
   
(501,222
)
  
25.26
   
(61,981
)
  
28.09
 
Canceled
  
50,985
   
(2,653
)
  
37.24
   
(48,332
)
  
31.59
 
Balance December 31, 2013
  
1,190,964
   
1,131,415
   
32.42
   
185,572
   
37.65
 
Granted
  
(279,184
)
  
173,068
   
58.25
   
106,116
   
58.94
 
Exercised/vested
  
-
   
(323,636
)
  
30.57
   
(61,621
)
  
36.51
 
Canceled
  
84,806
   
(29,768
)
  
41.88
   
(55,038
)
  
38.73
 
Balance December 31, 2014
  
996,586
   
951,079
   
37.46
   
175,029
   
50.56
 
Authorized
  
880,000
   
-
   
-
   
-
   
-
 
Granted
  
(455,275
)
  
238,773
   
60.40
   
216,502
   
60.32
 
Exercised/vested
  
-
   
(74,839
)
  
33.12
   
(59,801
)
  
47.51
 
Canceled
  
71,113
   
(23,169
)
  
60.22
   
(47,944
)
  
51.43
 
Balance December 31, 2015
  
1,492,424
   
1,091,844
   
42.29
   
283,786
   
58.63