| Summary of stock option activity |
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|
|
|
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WEIGHTED-
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|
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|
|
|
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WEIGHTED-
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AVERAGE
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AGGREGATE
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|
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AVERAGE
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REMAINING
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INTRINSIC
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EXERCISE
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CONTRACTUAL
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VALUE
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SHARES
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PRICE
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LIFE (in years)
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(in thousands)
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|
Options outstanding at January 1, 2014
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|
2,326,201
|
|
|
$
|
27.02
|
|
2.3
|
|
|
|
|
Exercised
|
|
(489,402
|
)
|
|
30.32
|
|
|
|
|
|
|
Forfeited
|
|
(13,473
|
)
|
|
22.07
|
|
|
|
|
|
|
|
Options outstanding at March 31, 2014
|
|
1,823,326
|
|
|
$
|
26.17
|
|
2.6
|
|
$
|
32,057
|
|
|
Available for future grant
|
|
3,344,945
|
|
|
|
|
|
|
|
|
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Total shares reserved at March 31, 2014
|
|
5,168,271
|
|
|
|
|
|
|
|
|
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Options exercisable at March 31, 2014
|
|
1,591,330
|
|
|
$
|
27.23
|
|
2.3
|
|
$
|
27,184
|
|
|
Options outstanding at January 1, 2015
|
|
1,385,497
|
|
|
$
|
23.30
|
|
2.2
|
|
|
|
|
Exercised
|
|
(384,999
|
)
|
|
20.98
|
|
|
|
|
|
|
Forfeited
|
|
(16,667
|
)
|
|
18.22
|
|
|
|
|
|
|
|
Options outstanding at March 31, 2015
|
|
983,831
|
|
|
$
|
24.30
|
|
2.4
|
|
$
|
26,852
|
|
|
Available for future grant
|
|
3,496,458
|
|
|
|
|
|
|
|
|
|
Total shares reserved at March 31, 2015
|
|
4,480,289
|
|
|
|
|
|
|
|
|
|
Options exercisable at March 31, 2015
|
|
973,831
|
|
|
$
|
24.28
|
|
2.4
|
|
$
|
26,629
|
|
|
| Summary of activity that relates to the Company's restricted stock unit awards |
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2015
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|
2014
|
|
|
Restricted stock units at January 1
|
|
|
368,084
|
|
|
539,106
|
|
|
Shares awarded
|
|
170,994
|
|
131,597
|
|
|
Shares vested
|
|
(231,969
|
)
|
(298,791
|
)
|
|
Shares forfeited
|
|
(11,082
|
)
|
(2,428
|
)
|
|
Restricted stock units at March 31
|
|
|
296,027
|
|
|
369,484
|
|
|