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CAPITALIZED EXTERNAL SOFTWARE DEVELOPMENT COSTS (Tables) | 12 Months Ended
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Jun. 30, 2018
Capitalized Computer Software Net [Abstract] |
Summary of Changes in Capitalized External Software Development Costs | A summary of changes in capitalized external software development costs, including costs capitalized and amortized during each of the years in the three-year period ended June 30, 2018, is as follows (in thousands):
|  | Year ended June 30, |
|  | 2018 |  |  | 2017 |  |  | 2016 |
Capitalized software development costs, beginning of year |  | $ | 14,238 |  |  | $ | 15,432 |  |  | $ | 15,255 |
Costs capitalized |  |  | 2,927 |  |  |  | 3,003 |  |  |  | 3,407 |
Amortization |  |  | (4,891 | ) |  |  | (4,197 | ) |  |  | (3,230 | )
Capitalized software development costs, end of year |  | $ | 12,274 |  |  | $ | 14,238 |  |  | $ | 15,432 |

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