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Auction Rate Securities (Tables) | 9 Months Ended
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Mar. 31, 2017
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ARS Investments | The ARS investments we held as of March 31, 2017, including the original cost basis, other-than-temporary impairment included in retained earnings, new cost basis, unrealized gain, and fair value, consisted of the following (in millions):
|  | Original Cost Basis |  |  | Other-than- temporary Impairment in Retained Earnings |  |  | New Cost Basis |  |  | Unrealized Gain |  |  | Fair Value |
Preferred stock |  | $ | 5.0 |  |  | $ | (5.0 | ) |  | $ | - |  |  | $ | 1.5 |  |  | $ | 1.5 |
The ARS investments we held as of June 30, 2016, including the original cost basis, other-than-temporary impairment included in retained earnings, new cost basis, unrealized gain, and fair value, consisted of the following (in millions):
|  | Original Cost Basis |  |  | Other-than- temporary Impairment in Retained Earnings |  |  | New Cost Basis |  |  | Unrealized Gain |  |  | Fair Value |
Credit linked notes |  | $ | 7.5 |  |  | $ | (2.2 | ) | (1) | $ | 5.3 |  |  | $ | 1.8 |  |  | $ | 7.1 |
Preferred stock |  |  | 5.0 |  |  |  | (5.0 | ) |  |  | - |  |  |  | 1.5 |  |  |  | 1.5 |
Total ARS |  | $ | 12.5 |  |  | $ | (7.2 | ) |  | $ | 5.3 |  |  | $ | 3.3 |  |  | $ | 8.6 |
(1) | Other-than-temporary impairment in retained earnings is partially offset by cumulative accretion of $4.4 million on non-current investments. Accretion is reclassified from accumulated other comprehensive income and recorded in the condensed consolidated statements of income as non-cash interest income.

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- Definition Tabular disclosure of noncurrent assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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