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SUBSEQUENT EVENT (Details) | Oct. 25, 2016 USD ($) $ / shares shares | Oct. 24, 2016 shares | Sep. 30, 2016 $ / shares shares | Dec. 31, 2015 $ / shares shares | Oct. 28, 2014 USD ($)
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Subsequent Event [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount | $ |  |  |  |  | $ 75,000,000
Common stock, shares authorized (in shares) |  |  | 60,000,000 | 60,000,000 |
Common stock, par value (in dollars per share) | $ / shares |  |  | $ 0.01 | $ 0.01 |
Subsequent Event |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Stock repurchase program, authorized amount | $ | $ 150,000,000.0 |  |  |  |
Treasury stock, shares, retired (in shares) | 8,900,000 |  |  |  |
Common stock, shares authorized (in shares) | 240,000,000.0 | 60,000,000.0 |  |  |
Common stock, par value (in dollars per share) | $ / shares | $ 0.01 |  |  |  |
Stock split ratio, Common stock | 2 |  |  |  |

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- Definition Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 10 -Section S99 -Paragraph 4 -Subparagraph (SAB TOPIC 4.C) -URI http://asc.fasb.org/extlink&oid=27012166&loc=d3e187143-122770 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Stock Split -URI http://asc.fasb.org/extlink&oid=6525746 + Details
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