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Consolidated Statement of Changes in Stockholders' Equity - 3 months ended Mar. 31, 2016 - USD ($) $ in Thousands | Total | Common Stock (Par Value: $0.01): | Paid-in Capital in Excess of Par: | Retained Earnings: | Treasury Stock: | Accumulated Other Comprehensive Loss, net of tax:
--- | --- | --- | --- | --- | --- | ---
Balance at beginning of year at Dec. 31, 2015 |  | $ 5,934,696 | $ 4,850 | $ 6,023,882 | $ (36,568) | $ (447) | $ (57,021)
Net income |  | 129,909 |  |  | 129,909 |  |
Purchase of common stock (535,546 shares) |  |  |  |  |  | (8,222) |
Other comprehensive income, net of tax |  | 2,417 |  |  |  |  | 2,417
Dividends paid on common stock ($0.17 per share) |  |  |  |  | (82,618) |  |
Shares issued for restricted stock awards (1,963,160 shares) |  |  | 19 | (8,668) |  | 8,648 |
Effect of adopting Accounting Standards Update ("ASU") No. 2016-09 | [1] |  |  |  | 412 |  |
Compensation expense related to restricted stock awards |  |  |  | 8,207 |  |  |
Balance at end of period at Mar. 31, 2016 |  | $ 5,984,800 | $ 4,869 | $ 6,023,421 | $ 11,135 | $ (21) | $ (54,604)
[1] | See Note 14, "Impact of Recent Accounting Pronouncements" for a discussion of the Company's adoption of ASU No. 2016-09.

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