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CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (USD $) In Thousands, except Share data, unless otherwise specified | Common Stock | Capital in Excess of Par Value | Retained Earnings | Accumulated Other Comprehensive Income (Loss) | Total
--- | --- | --- | --- | --- | ---
Balance at Dec. 31, 2009 | $ 14,754 | $ 2,720 | $ 401,055 | $ (8,806) | $ 409,723
Balance (in shares) at Dec. 31, 2009 | 147,547,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock issued for stock incentive plans, net | 59 | 4,889 |  |  | 4,948
Stock issued for stock incentive plans, net (in shares) | 587,000 |  |  |  |
Stock purchased and retired | (14) | (832) | (949) |  | (1,795)
Stock purchased and retired (in shares) | (144,000) |  |  |  |
Net income |  |  | 146,742 |  | 146,742
Pension adjustment, net of taxes |  |  |  | (1,350) | (1,350)
Gain on cash flow hedge, net of taxes |  |  |  | 133 | 133
Unrealized gain (loss) on securities, net of taxes |  |  |  | 281 | 281
Foreign currency translation, net of taxes |  |  |  | 209 | 209
Dividends declared |  |  | (20,647) |  | (20,647)
Excess tax benefits for share- based payments |  | 651 |  |  | 651
Three-for-two stock splits | 7,428 | (7,428) |  |  |
Three-for-two stock splits (in shares) | 74,274,000 |  |  |  |
Balance at Dec. 31, 2010 | 22,227 |  | 526,201 | (9,533) | 538,895
Balance (in shares) at Dec. 31, 2010 | 222,264,000 |  |  |  |
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock issued for stock incentive plans, net | 122 | 9,455 |  |  | 9,577
Stock issued for stock incentive plans, net (in shares) | 1,218,000 |  |  |  |
Stock purchased and retired | (194) | (12,862) | (22,136) |  | (35,192)
Stock purchased and retired (in shares) | (1,936,000) |  |  |  |
Net income |  |  | 296,381 |  | 296,381
Pension adjustment, net of taxes |  |  |  | (3,048) | (3,048)
Gain on cash flow hedge, net of taxes |  |  |  | 387 | 387
Unrealized gain (loss) on securities, net of taxes |  |  |  | (314) | (314)
Foreign currency translation, net of taxes |  |  |  | (138) | (138)
Dividends declared |  |  | (47,327) |  | (47,327)
Excess tax benefits for share- based payments |  | 3,371 |  |  | 3,371
Three-for-two stock splits | (36) | 36 |  |  |
Three-for-two stock splits (in shares) | (358,000) |  |  |  |
Balance at Dec. 31, 2011 | 22,119 |  | 753,119 | (12,646) | 762,592
Balance (in shares) at Dec. 31, 2011 | 221,188,000 |  |  |  | 221,187,660
Increase (Decrease) in Stockholders' Equity [Roll Forward] |  |  |  |  |
Stock issued for stock incentive plans, net | 152 | 11,105 |  |  | 11,257
Stock issued for stock incentive plans, net (in shares) | 1,530,000 |  |  |  |
Stock purchased and retired | (201) | (13,885) | (16,515) |  | (30,601)
Stock purchased and retired (in shares) | (2,011,000) |  |  |  |
Increased ownership interest in subsidiary, net of taxes |  |  | (5,507) |  | (5,507)
Net income |  |  | 274,436 |  | 274,436
Pension adjustment, net of taxes |  |  |  | (1,707) | (1,707)
Unrealized gain (loss) on securities, net of taxes |  |  |  | (158) | (158)
Foreign currency translation, net of taxes |  |  |  | 265 | 265
Dividends declared |  |  | (114,069) |  | (114,069)
Excess tax benefits for share- based payments |  | 2,724 |  |  | 2,724
Three-for-two stock splits | (56) | 56 |  |  |
Three-for-two stock splits (in shares) | (563,000) |  |  |  |
Balance at Dec. 31, 2012 | $ 22,014 |  | $ 891,464 | $ (14,246) | $ 899,232
Balance (in shares) at Dec. 31, 2012 | 220,144,000 |  |  |  | 220,144,287

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