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Capital Stock and Share Based Compensation Plans (Tables)
 12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Schedule of options outstanding and exercisable
The following table summarizes our stock option activity:
 
 
Number
of Shares
 
Weighted-
Average
Exercise Price
 
Range of
Exercise
Prices
 
 
 
 
 
 
 
Outstanding at December 31, 2014
 
1,703,876

 
$
8.92

 
$ 7-11
Exercised
 
(877,966
)
 
8.85

 
8-11
Forfeited
 
170,969

 
7.62

 
6-9
Outstanding at December 31, 2015
 
996,879

 
7.45

 
6-9
Exercised
 
(509,965
)
 
8.07

 
8-9
Outstanding at December 31, 2016
 
486,914

 
6.81

 
6-9
Exercised
 
(235,407
)
 
6.20

 
6-8
Outstanding at December 31, 2017
 
251,507

 
7.38

 
6-9
Schedule of cash proceeds received from exercises of stock options
The following table summarizes additional information about exercises of stock options:
 
 
For the years ended December 31,
(in thousands)
 
2017
 
2016
 
2015
 
 
 
 
 
 
 
Cash received upon exercise
 
$
1,461

 
$
4,641

 
$
7,249

Intrinsic value (market value on date of exercise less exercise price)
 
3,919

 
4,888

 
10,801

Tax benefits realized (1)
 
1,497

 
1,877

 
4,101


(1) Benefits for 2015 were not recognized under prior accounting guidance until realized. In 2017 and 2016, upon adoption of new accounting guidance, they are realized when generated.
Restricted stock and restricted stock unit vesting activity
The following table summarizes our RSU activity:
 
 
 
 
Fair Value
 
 
Number
of Shares
 
Weighted
Average
 
Range of
Prices
 
 
 
 
 
 
 
Unvested at December 31, 2014
 
1,224,521

 
$
13.24

 
$ 7-22
Awarded
 
495,396

 
22.36

 
20-24
Vested
 
(650,490
)
 
12.17

 
7-22
Forfeited
 
(220,770
)
 
16.39

 
9-22
Impact of Journal Transactions
 
61,384

 
13.73

 
7-22
Unvested at December 31, 2015
 
910,041

 
18.22

 
10-24
Awarded
 
996,839

 
15.76

 
13-18
Vested
 
(444,267
)
 
17.78

 
13-19
Forfeited
 
(37,436
)
 
16.82

 
12-24
Unvested at December 31, 2016
 
1,425,177

 
17.05

 
12-24
Awarded
 
653,522

 
22.51

 
17-24
Vested
 
(581,920
)
 
20.78

 
14-24
Forfeited
 
(308,856
)
 
17.20

 
14-24
Unvested at December 31, 2017
 
1,187,923

 
19.99

 
14-24
Additional information about restricted stock and restricted stock unit vesting
The following table summarizes additional information about RSU vesting:
 
 
For the years ended December 31,
(in thousands)
 
2017
 
2016
 
2015
 
 
 
 
 
 
 
Fair value of RSUs vested
 
$
12,090

 
$
7,898

 
$
15,697

Tax benefits realized on vesting (1)
 
4,630

 
3,033

 
5,965


(1) Benefits for 2015 were not recognized under prior accounting guidance until realized. In 2017 and 2016, upon adoption of new accounting guidance, they are realized when generated.
Schedule of stock compensation costs
Share-based compensation costs were as follows:
 
 
For the years ended December 31,
(in thousands)
 
2017
 
2016
 
2015
 
 
 
 
 
 
 
  Total share-based compensation
 
$
12,960

 
$
8,093

 
$
9,545

  Included in discontinued operations
 
(465
)
 
(270
)
 
(1,378
)
  Included in continuing operations
 
$
12,495

 
$
7,823

 
$
8,167

Share-based compensation, net of tax
 
$
7,717

 
$
4,835

 
$
5,010