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Income Taxes - Narrative (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Oct. 31, 2019
Income Tax Examination [Line Items]
Income tax provision	$ 2,113	$ 4,520	$ 10,681	$ 10,043
Effective tax rate (as a percent)	7.90%	18.40%	17.60%	19.80%
Unrecognized tax benefits that would impact effective tax rate, if recognized	$ 27,400		$ 27,400
Interest and penalties relating to unrecognized tax benefits	1,600		1,600
Decrease in unrecognized tax benefits is reasonably possible	$ 3,200		$ 3,200
Taiwan Tax Authority
Income Tax Examination [Line Items]
Income tax examination, increase (decrease) liability					$ 1,600

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

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Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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