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Stockholders' Equity Stockholders' Equity	9 Months Ended
Stockholders' Equity Stockholders' Equity	Sep. 30, 2020
Equity [Abstract]
Stockholders' Equity	Stockholders' Equity Share Repurchases During the nine months ended September 30, 2020, the Company repurchased 902,340 shares of the Company's common stock in the open market at an average price of $69.46 per share, for a total of $62.7 million. As of September 30, 2020, approximately $37.3 million remains available for repurchase under the previously announced $100.0 million share repurchase authorization (which expires at the end of 2020). As of September 30, 2020, the Company held 1,020,328 shares of its common stock as treasury shares.