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DIVIDENDS AND SHARE REPURCHASE PROGRAMS (Tables) | 6 Months Ended
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Dec. 31, 2017
Treasury Stock, Number of Shares and Restriction Disclosures [Abstract] |
Shares Repurchased Under Programs | Adtalem has repurchased shares under the following programs as of December 31, 2017:
Date |  | Shares |  | Total Cost |
Authorized |  | Repurchased |  | (in millions) |
November 15, 2006 |  |  | 908,399 |  | $ | 35.0 |
May 13, 2008 |  |  | 1,027,417 |  |  | 50.0 |
November 11, 2009 |  |  | 972,205 |  |  | 50.0 |
August 11, 2010 |  |  | 1,103,628 |  |  | 50.0 |
November 10, 2010 |  |  | 968,105 |  |  | 50.0 |
May 20, 2011 |  |  | 2,396,143 |  |  | 100.0 |
November 2, 2011 |  |  | 3,478,299 |  |  | 100.0 |
August 29, 2012 |  |  | 2,005,317 |  |  | 62.7 |
December 15, 2015 |  |  | 1,672,250 |  |  | 36.6 |
February 16, 2017 |  |  | 3,460,922 |  |  | 121.2 |
Totals |  |  | 17,992,685 |  | $ | 655.5 |

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- Definition Tabular disclosure of 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 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23315-112656 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23285-112656 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6405813&loc=d3e23239-112655 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 505 -SubTopic 30 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6405834&loc=d3e23309-112656 + Details
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