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v3.3.0.814

Stockholders' Equity (Details) - USD ($) $ / shares in Units, $ in Thousands | 3 Months Ended | 9 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Dec. 31, 2014 | Jan. 31, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance (in shares) |  |  |  | 39,147,153 |  |  |  |
Balance |  |  |  | $ 1,109,489 | $ 841,392 |  |  |
Net earnings |  | $ 30,308 | $ 32,577 | 75,841 | 93,033 |  |  |
Exercise/vesting of equity awards, value |  |  |  | 2,881 | 734 |  |  |
Excess income tax benefit from stock-based awards |  |  |  | 2,040 | 2,197 |  |  |
Equity award compensation expense |  |  |  | $ 12,418 | 9,035 |  |  |
Issuance of stock, value | [1] |  |  |  | 110,420 |  |  |
Other |  |  |  |  | (114) |  |  |
Balance (in shares) |  | 39,665,797 |  | 39,665,797 |  |  |  |
Balance |  | $ 1,202,669 | $ 1,056,697 | $ 1,202,669 | $ 1,056,697 |  |  |
Common stock, shares issued |  | 39,665,797 |  | 39,147,153 |  | 39,665,797 | 39,147,153 | 2,530,000
Common stock, par value (in dollars per share) |  |  |  |  |  | $ 0.01 | $ 0.01 | $ 0.01
Sale of stock, price per share (in dollars per share) |  |  |  |  |  |  |  | $ 45.75
Common Stock [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance (in shares) |  |  |  | 39,147,000 | 36,244,000 |  |  |
Balance |  |  |  | $ 391 | $ 362 |  |  |
Exercise/vesting of equity awards (in shares) |  |  |  | 519,000 | 351,000 |  |  |
Exercise/vesting of equity awards, value |  |  |  | $ 6 | $ 4 |  |  |
Issuance of stock (in shares) | [1] |  |  |  | 2,530,000 |  |  |
Issuance of stock, value | [1] |  |  |  | $ 25 |  |  |
Balance (in shares) |  | 39,666,000 | 39,125,000 | 39,666,000 | 39,125,000 |  |  |
Balance |  | $ 397 | $ 391 | $ 397 | $ 391 |  |  |
Common stock, shares issued |  | 39,666,000 | 39,125,000 | 39,147,000 | 36,244,000 | 39,666,000 | 39,147,000 |
Additional Paid-in Capital [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance |  |  |  | $ 538,788 | $ 412,961 |  |  |
Exercise/vesting of equity awards, value |  |  |  | 2,875 | 730 |  |  |
Excess income tax benefit from stock-based awards |  |  |  | 2,040 | 2,197 |  |  |
Equity award compensation expense |  |  |  | 12,418 | 9,035 |  |  |
Issuance of stock, value | [1] |  |  |  | 110,395 |  |  |
Other |  |  |  |  | (114) |  |  |
Balance |  | $ 556,121 | $ 535,204 | 556,121 | 535,204 |  |  |
Retained Earnings [Member] |  |  |  |  |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |  |  |  |
Balance |  |  |  | 570,310 | 428,069 |  |  |
Net earnings |  |  |  | 75,841 | 93,033 |  |  |
Balance |  | $ 646,151 | $ 521,102 | $ 646,151 | $ 521,102 |  |  |
[1] | In January 2014, we issued 2,530,000 shares of common stock in a secondary public offering, par value $0.01 per share, at a price of $45.75 per share.

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