Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Name:	us-gaap_MinorityInterestLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

Noncontrolling Interest - Narrative (Details)	Sep. 30, 2017	Jun. 30, 2017	Jun. 30, 2016	Mar. 31, 2015
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%