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Common Stock and Treasury Stock
3 Months Ended
Mar. 31, 2020
Equity [Abstract]  
Common Stock and Treasury Stock Common Stock and Treasury Stock
In 2005, the board approved a stock repurchase program authorizing the Company, as market and business conditions warrant, to acquire its common stock and periodically authorize additional funds for the program. In February 2018, the board approved the repurchase of the Company's common stock of up to $200.0 million, in place of the remaining purchase amounts previously authorized.

The Company repurchased 1,000,000 shares for $28.9 million under the program during the three months ended March 31, 2020. Under the program to date, the Company has repurchased 46,357,495 shares for approximately $612.3 million. As of March 31, 2020, the maximum remaining amount authorized for purchase under the stock repurchase program was $112.1 million.