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Equity Level 1 (Notes) | 12 Months Ended
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Dec. 31, 2022
Equity [Abstract] |
Stockholders' Equity Note Disclosure [Text Block] | Equity (All shares reported in whole numbers) Share Authorization We are authorized to issue 1,000,000 shares of preferred stock, $1 per share par value. No preferred shares were issued as of December 31, 2022 or 2021. At December 31, 2022 and 2021, 500,000,000 common shares of $1 par value were authorized. We had 156,088,438 and 166,821,502 shares issued and 153,940,365 and 163,114,202 outstanding at par at December 31, 2022 and 2021, respectively. Accumulated Other Comprehensive Income The assets and liabilities of foreign operations are translated into U.S. dollars using the current exchange rate. The U.S. dollar amount that arises from such translation, as well as exchange gains and losses on intercompany balances of a long-term investment nature, are included in the cumulative currency translation adjustments in Accumulated other comprehensive income. Share Repurchase Program Subject to market conditions, normal trading restrictions, and limitations in our debt covenants, we may make purchases in the open market or through privately negotiated transactions under our share repurchase program. In 2022, we repurchased 10,356,250 shares of our common stock at an aggregate cost of $661.1 million, which is an average cost per share of $63.84. In 2021, we repurchased 9,437,446 shares of our common stock at an aggregate cost of $554.6 million, which is an average cost per share of $58.77. Additionally, in November 2022, our Board of Directors increased our share repurchase authorization to $600.0 million. After these repurchases and the increase in authorization, the remaining dollar value of shares authorized to be purchased under the share repurchase program was $584.2 million at December 31, 2022. Subsequent to December 31, 2022, we repurchased 914,022 shares for $64.4 million at an average cost per share of $70.46.

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