Equity Level 1 (Notes)

12 Months Ended

Dec. 31, 2020

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, 2020 or 2019. At December 31, 2020 and 2019, 500,000,000 common shares of $1 par value were authorized. We had 174,792,272 and 185,100,789 shares issued and 170,717,236 and 181,184,963 outstanding at par at December 31, 2020 and 2019, 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 2020, we repurchased 12,043,347 shares of our common stock at an aggregate cost of $516.9 million, which is an average cost per share of $42.92. During 2019, we repurchased 2,908,850 shares of our common stock at an aggregate cost of $129.6 million, which is an average cost per share of $44.55. During August 2020, our Board of Directors increased our share repurchase authorization to $500.0 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 $231.0 million at December 31, 2020.

Subsequent to December 31, 2020, we repurchased 802,146 shares for $40.7 million at an average cost per share of $50.74.