Summary of Changes in Shareholders' Equity |
A summary of changes in shareholders’ equity is presented below (in thousands):
| | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2016 | | | (In thousands) | | | Number of Shares | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Total | Balance at December 31, 2015 | | 39,669 |
| | $ | 397 |
| | $ | 559,492 |
| | $ | 699,048 |
| | $ | 1,258,937 |
| Net earnings | | — |
| | — |
| | — |
| | 20,969 |
| | 20,969 |
| Exercise/vesting of equity awards | | 316 |
| | 3 |
| | 158 |
| | — |
| | 161 |
| Excess income tax provision from stock-based awards | | — |
| | — |
| | (516 | ) | | — |
| | (516 | ) | Equity award compensation expense | | — |
| | — |
| | 4,758 |
| | — |
| | 4,758 |
| Balance at March 31, 2016 | | 39,985 |
| | $ | 400 |
| | $ | 563,892 |
| | $ | 720,017 |
| | $ | 1,284,309 |
|
| | | | | | | | | | | | | | | | | | | | | | | Three Months Ended March 31, 2015 | | | (In thousands) | | | Number of Shares | | Common Stock | | Additional Paid-In Capital | | Retained Earnings | | Total | Balance at December 31, 2014 | | 39,147 |
| | $ | 391 |
| | $ | 538,788 |
| | $ | 570,310 |
| | $ | 1,109,489 |
| Net earnings | | — |
| | — |
| | — |
| | 16,400 |
| | 16,400 |
| Exercise/vesting of equity awards | | 470 |
| | 5 |
| | 2,829 |
| | — |
| | 2,834 |
| Excess income tax benefit from stock-based awards | | — |
| | — |
| | 1,935 |
| | — |
| | 1,935 |
| Equity award compensation expense | | — |
| | — |
| | 4,630 |
| | — |
| | 4,630 |
| Balance at March 31, 2015 | | 39,617 |
| | $ | 396 |
| | $ | 548,182 |
| | $ | 586,710 |
| | $ | 1,135,288 |
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