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TREASURY STOCK | 9 Months Ended
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Sep. 30, 2017
Treasury Stock Transactions, Excluding Value of Shares Reissued [Abstract] |
TREASURY STOCK | TREASURY STOCK On October 25, 2016, the Board of Directors terminated its October 2014 authorization for the repurchase of its outstanding common stock and authorized management to repurchase up to $150.0 million of its outstanding common stock through December 2018. Shares may be repurchased either in the open market or in privately negotiated transactions. As of September 30, 2017, there remained $150.0 million available for repurchase under this authorization. As part of the conversion of the 2016 Convertible Notes, the Company received 2.9 million shares of common stock from the exercise of call options with hedge participants. The shares of common stock received from the exercise of the call options are held as treasury stock, and there were 2.9 million shares of treasury stock outstanding as of September 30, 2017 and December 31, 2016, with a cost of $121.8 million and $123.1 million, respectively, at a weighted average of $41.77 and $41.78 per share, respectively. There were no cash treasury stock repurchases during the nine months ended September 30, 2017 or 2016.

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- Definition The entire disclosure for treasury stock, including, but not limited to, average cost per share, description of share repurchase program, shares repurchased, shares held for each class of treasury stock. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -URI http://asc.fasb.org/subtopic&trid=2208821 + Details
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