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Noncontrolling Interest - Narrative (Details) | Sep. 30, 2017 | Jun. 30, 2017 | Jun. 30, 2016 | Mar. 31, 2015
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Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage | 100.00% | 92.00% | 83.00% | 72.00%
Astral Images, Inc |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Ownership percentage | 100.00% |  |  | 72.00%

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- Details
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