|
|
|
2017 |
|
2016 |
|
||||||
|
|
|
Options |
|
Weighted |
|
Options |
|
Weighted |
|
||
|
|
|
|
|
|
|
|
|
|
|
||
|
Balance at beginning of year |
|
286,105 |
|
$ |
63.98 |
|
386,611 |
|
$ |
62.34 |
|
|
Exercised |
|
(80,378 |
) |
60.89 |
|
(94,506 |
) |
56.84 |
|
||
|
Cancelled |
|
(47,500 |
) |
65.54 |
|
(6,000 |
) |
70.56 |
|
||
|
|
|
|
|
|
|
|
|
|
|
||
|
Balance at end of year |
|
158,227 |
|
$ |
65.08 |
|
286,105 |
|
$ |
63.98 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
||
|
Vested options at end of year |
|
39,900 |
|
$ |
63.06 |
|
29,550 |
|
$ |
59.94 |
|
|
|
|
|
|
|
|
|
|
|
|
|
|