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Investment In Films and Television Programs and Program Rights (Narrative) (Details) - USD ($) $ in Millions | 3 Months Ended
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Jun. 30, 2018 | Jun. 30, 2017
Investment In Films And Television Programs and Program Rights [Abstract] |  |
Fair value film write-downs | $ 4.5 | $ 0.3

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- Definition Fair value film write-downs recorded during the period. + References No definition available. + Details
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- Definition Investment In Films And Television Programs and Program Rights. + References No definition available. + Details
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