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Increase in prepaid tax asset

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Intangible Assets, Net (Excluding Goodwill), Contributed To JV Company, Book Value

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The gross amount of unrecognized tax benefits that have been netted against deferred tax assets

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Amount of decrease reasonably possible in the next twelve months for the unrecognized tax benefit.

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Amount, before allocation of valuation allowance, of deferred tax asset attributable to deductible temporary difference from intra-entity transfer of asset within consolidated group. Excludes intra-entity transfer of inventory.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from intangible assets including goodwill.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are not subject to expiration dates.

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No definition available.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards that are subject to expiration dates.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible research tax credit carryforwards.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws.

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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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Amount of undistributed earnings of foreign subsidiaries intended to be permanently reinvested outside the country of domicile.

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Amount of unrecognized tax benefits.

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Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return.

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The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate.

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Amount of increase (decrease) in the valuation allowance for a specified deferred tax asset.

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Income Taxes - Narrative (Details) - USD ($)	3 Months Ended	12 Months Ended
Income Taxes - Narrative (Details) - USD ($)	Sep. 30, 2016	Jun. 30, 2019	Jun. 30, 2018	Jul. 31, 2017	Jul. 01, 2017	Jun. 30, 2017	Jun. 30, 2016
Tax Credit Carryforward [Line Items]
Decrease in deferred tax assets	$ 6,600,000
Increase in prepaid tax asset	$ 6,600,000
Deferred tax asset, certain China patent rights and certain manufacturing related IP		$ 11,981,000	$ 12,942,000	$ 12,900,000
Book value, certain China patent rights and certain manufacturing related IP				$ 0
Valuation allowance		35,420,000	30,105,000
Valuation allowance increase		5,300,000	23,900,000
Undistributed earnings of foreign subsidiaries		140,600,000
Unrecognized tax benefits		7,150,000	7,143,000			$ 6,589,000	$ 6,743,000
Unrecognized tax benefit, amount netted against deferred tax assets		6,300,000
Unrecognized tax benefits that would reduce effective income tax rate		4,200,000
Decrease in unrecognized tax benefits is reasonably possible		200,000
Income tax interest and penalties accrued		200,000	100,000
Income tax interest and penalties expense		30,000	0
Long-term Income Tax Payable [Member]
Tax Credit Carryforward [Line Items]
Unrecognized tax benefits		900,000
Federal [Member]
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards		24,300,000
Research and development tax credit carryforwards		5,600,000
State [Member]
Tax Credit Carryforward [Line Items]
Tax credit carryforward		6,700,000
Tax credit carryforward, subject to expiration		800,000
Tax credit carryforward, not subject to expiration		5,900,000
Net operating loss carryforwards		600,000
Corporate Joint Venture
Tax Credit Carryforward [Line Items]
Net operating loss carryforwards		77,500,000
State research and development credit carryforward
Tax Credit Carryforward [Line Items]
Valuation allowance		5,100,000	4,400,000
Net operating loss, fixed asset and intangible asset \| Corporate Joint Venture
Tax Credit Carryforward [Line Items]
Valuation allowance		$ 30,300,000	25,700,000
Accounting Standards Update 2016-16
Tax Credit Carryforward [Line Items]
De-recognition of prepaid tax asset					$ 5,500,000
Restatement Adjustment
Tax Credit Carryforward [Line Items]
Deferred tax asset, certain China patent rights and certain manufacturing related IP			12,900,000
Valuation allowance			$ 12,900,000