Common and Preferred Stock	9 Months Ended
Sep. 30, 2018
Equity [Abstract]
Common and Preferred Stock	Common and Preferred Stock On December 1, 2015, the Company’s Board of Directors approved a $300.0 million increase in the authorized level for repurchases of common stock. Repurchases under the program will be funded with future cash flow generation or borrowings available under the Revolving Facility. During the nine months ended September 30, 2018, the Company repurchased a total of 357 thousand shares at a cost of $51.7 million, of which $1.0 million was settled in October 2018. During the nine months ended September 30, 2017, the Company repurchased a total of 222 thousand shares at a cost of $23.6 million, of which $1.0 million was settled in October 2017. As of September 30, 2018, the amount of share repurchase authorization remaining was $499.3 million. At September 30, 2018 and December 31, 2017, the Company had 150 million shares of authorized common stock, with a par value of $.01 per share, and 5 million shares of authorized preferred stock, with a par value of $.01 per share. No preferred stock was outstanding at September 30, 2018 or December 31, 2017.

Common and Preferred Stock

On December 1, 2015, the Company’s Board of Directors approved a $300.0 million increase in the authorized level for repurchases of common stock. Repurchases under the program will be funded with future cash flow generation or borrowings available under the Revolving Facility. During the nine months ended September 30, 2018, the Company repurchased a total of 357 thousand shares at a cost of $51.7 million, of which $1.0 million was settled in October 2018. During the nine months ended September 30, 2017, the Company repurchased a total of 222 thousand shares at a cost of $23.6 million, of which $1.0 million was settled in October 2017. As of September 30, 2018, the amount of share repurchase authorization remaining was $499.3 million.

At September 30, 2018 and December 31, 2017, the Company had 150 million shares of authorized common stock, with a par value of $.01 per share, and 5 million shares of authorized preferred stock, with a par value of $.01 per share. No preferred stock was outstanding at September 30, 2018 or December 31, 2017.