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Capital Stock | 6 Months Ended
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Jun. 30, 2023
Equity [Abstract] |
Capital Stock | (14) CAPITAL STOCK We have authorized capital stock of 485.0 million shares which includes 475.0 million shares of common stock and 10.0 million shares of preferred stock. We currently have no preferred stock issued or outstanding. The following is a schedule of changes in the number of common shares outstanding since the beginning of 2022:
|  | Six Months Ended June 30, 2023 |  |  | Year Ended December 31, 2022 |
Beginning balance |  |  | 238,885,730 |  |  |  | 249,792,908 |
Restricted stock grants |  |  | 47,800 |  |  |  | 671,303 |
Restricted stock units vested |  |  | 1,752,991 |  |  |  | 1,827,625 |
Performance stock units issued |  |  | 1,057,245 |  |  |  | 590,940 |
Performance stock dividends |  |  | 6,276 |  |  |  | 1,843 |
Treasury shares |  |  | (399,530 | ) |  |  | (13,998,889 | )
Ending balance |  |  | 241,350,512 |  |  |  | 238,885,730 |
Stock Repurchase Program In 2019, the board of directors approved a stock purchase program to acquire up to $100.0 million of our outstanding common stock. In early 2022, our board authorized an additional repurchase of up to $430.0 million of our outstanding common stock for an aggregate available amount at that time of $500.0 million. On October 21, 2022, our board of directors authorized an additional repurchase of up to $1.0 billion for common stock repurchases. Under this program, we may repurchase shares in open market transactions, from time to time, in accordance with applicable SEC rules and federal securities laws. Purchases under the program are made at our discretion and may change based upon market conditions. In first six months 2023, we repurchased 400,000 shares at an aggregate cost of $9.7 million. The following is a schedule of the change in treasury shares for the three and six months ended June 30, 2023:
|  | Three Months Ended June 30, 2023 |  |  | Six Months Ended June 30, 2023 |
Beginning balance |  |  | 24,401,065 |  |  |  | 24,001,535 |
Rabbi trust shares distributed/sold |  |  | — |  |  |  | (470 | )
Shares repurchased |  |  | — |  |  |  | 400,000 |
Ending balance |  |  | 24,401,065 |  |  |  | 24,401,065 |

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- Definition The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -URI https://asc.fasb.org/topic&trid=2208762 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.3-04) -URI https://asc.fasb.org/extlink&oid=120397183&loc=d3e187085-122770 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (g) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (h) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 14 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496171-112644 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 18 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496189-112644 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 16 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496180-112644 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section 50 -Paragraph 13 -Subparagraph (i) -URI https://asc.fasb.org/extlink&oid=126973232&loc=SL123496158-112644 Reference 15: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08(e)(1)) -URI https://asc.fasb.org/extlink&oid=120395691&loc=d3e23780-122690 Reference 16: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 6 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126731327&loc=SL126733271-114008 + Details
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