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Stockholders' Equity
3 Months Ended
Mar. 31, 2018
Equity [Abstract]  
Stockholders' Equity
Stockholders’ Equity
On June 2, 2016, our Board of Directors authorized a stock repurchase program of up to $100.0 million (the “Repurchase Program”). On each of May 18, 2017 and December 1, 2017, our Board of Directors authorized an additional $100.0 million increasing the Repurchase Program to an aggregate authorization of $300.0 million. No time limit has been established for the completion of the Repurchase Program, and the Repurchase Program may be suspended, discontinued or replaced by the Board of Directors at any time without prior notice. As of March 31, 2018, we have $99.1 million available under the Repurchase Program to repurchase additional shares.
The following table details our stock repurchases under the Repurchase Program: 
 
Three Months Ended March 31,
 
2018
 
2017
Shares of common stock repurchased and retired
337

 
880

Average price paid per share
$
42.17

 
$
41.95

Total cost
$
14,213

 
$
36,901