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Stockholders' Equity (Tables)
 12 Months Ended
Dec. 31, 2017
Equity [Abstract]  
Cumulative Convertible Preferred Stock

The following table provides certain information for the convertible Series A preferred stock as of the dates presented (in thousands, except conversion factor):

 

 

 

As of December 31,

 

 

 

2017

 

 

2016

 

Shares issued and outstanding

 

 

10

 

 

 

10

 

Conversion factor

 

 

2.50

 

 

 

2.50

 

Common shares resulting if converted

 

 

25

 

 

 

25

 

 
Activity Relating to Common Shares

The following table summarizes the activity relating to shares of the Company’s Common Stock during the periods presented (in thousands):

 

 

 

Issued

 

 

Treasury

 

 

Outstanding

 

 

 

Shares

 

 

Shares

 

 

Shares

 

Balance, as of December 31, 2014

 

 

44,769

 

 

 

(9,667

)

 

 

35,102

 

Shares repurchased

 

 

—

 

 

 

(748

)

 

 

(748

)

Options exercised

 

 

751

 

 

 

—

 

 

 

751

 

Restricted stock grant

 

 

615

 

 

 

—

 

 

 

615

 

Shares acquired through cashless exercise (1)

 

 

—

 

 

 

(610

)

 

 

(610

)

Shares cancelled

 

 

(610

)

 

 

610

 

 

 

—

 

Balance, as of December 31, 2015

 

 

45,525

 

 

 

(10,415

)

 

 

35,110

 

Shares repurchased

 

 

—

 

 

 

(441

)

 

 

(441

)

Shares reissued

 

 

—

 

 

 

584

 

 

 

584

 

Options exercised

 

 

124

 

 

 

—

 

 

 

124

 

Shares acquired through cashless exercise (1)

 

 

—

 

 

 

(325

)

 

 

(325

)

Shares cancelled

 

 

(325

)

 

 

325

 

 

 

—

 

Balance, as of December 31, 2016

 

 

45,324

 

 

 

(10,272

)

 

 

35,052

 

Shares repurchased

 

 

—

 

 

 

(771

)

 

 

(771

)

Vesting of performance share units

 

 

115

 

 

 

—

 

 

 

115

 

Shares reissued

 

 

—

 

 

 

—

 

 

 

—

 

Options exercised

 

 

804

 

 

 

—

 

 

 

804

 

Common stock issued

 

 

26

 

 

 

—

 

 

 

26

 

Shares acquired through cashless exercise (1)

 

 

—

 

 

 

(491

)

 

 

(491

)

Shares cancelled

 

 

(491

)

 

 

491

 

 

 

—

 

Balance, as of December 31, 2017

 

 

45,778

 

 

 

(11,043

)

 

 

34,735

 

 

(1)

All shares acquired represent shares tendered to cover the strike price for options and tax withholdings on the intrinsic value of options exercised or performance share units or restricted stock (as defined in “—Note 9 (Share-Based Compensation)”) vested. These shares have been cancelled by the Company.

 
Summary of Dividends Declared on its Outstanding Shares of Common Stock to its Shareholders

The Company declared dividends on its outstanding shares of common stock to its shareholders of record as follows for the periods presented (in thousands, except per share amounts):

 

 

 

For the Years Ended December 31,

 

 

 

2017

 

 

2016

 

 

2015

 

 

 

Per Share

 

 

Aggregate

 

 

Per Share

 

 

Aggregate

 

 

Per Share

 

 

Aggregate

 

 

 

Amount

 

 

Amount

 

 

Amount

 

 

Amount

 

 

Amount

 

 

Amount

 

First Quarter

 

$

0.14

 

 

$

4,932

 

 

$

0.14

 

 

$

4,915

 

 

$

0.12

 

 

$

4,237

 

Second Quarter

 

$

0.14

 

 

$

4,887

 

 

$

0.14

 

 

$

4,913

 

 

$

0.12

 

 

$

4,283

 

Third Quarter

 

$

0.14

 

 

$

4,830

 

 

$

0.14

 

 

 

4,903

 

 

$

0.12

 

 

$

4,275

 

Fourth Quarter

 

$

0.27

 

 

 

9,392

 

 

$

0.27

 

 

 

9,461

 

 

$

0.27

 

 

$

9,492