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Income Taxes - Narrative (Details) - USD ($) $ in Thousands |  | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | ---
Jul. 01, 2017 | Mar. 31, 2018 | Mar. 31, 2017 | Sep. 30, 2016 | Mar. 31, 2018 | Mar. 31, 2017 | Jun. 30, 2017
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Income tax expense |  | $ 830 | $ 523 |  | $ 32 | $ 2,845 |
Discrete income tax expense (benefit) |  | $ 200 |  |  |  |  |
Discrete tax benefit related to prior year tax reserve releases |  |  | $ 600 |  | $ 200 | $ 600 |
Estimated effective income tax rate excluding discrete income tax expense |  | 291.80% | 38.80% |  | 35.50% | 36.60% |
Discrete tax benefit related to Tax Cuts And Jobs Act Of 2017 |  |  |  |  | $ 2,700 |  |
Decrease in deferred tax assets |  |  |  | $ 6,600 |  |  |
Increase (decrease) in prepaid taxes |  |  |  | $ 6,600 |  |  |
Prepaid tax asset |  |  |  |  |  |  | $ 5,500
Unrecognized tax benefits |  | $ 6,700 |  |  | 6,700 |  |
Unrecognized tax benefit that would impact effective tax rate |  | $ 4,000 |  |  | $ 4,000 |  |
Prepaid Expenses and Other Current Assets |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Prepaid tax asset |  |  |  |  |  |  | 1,100
Other Long-term Assets |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Prepaid tax asset |  |  |  |  |  |  | $ 4,400
Accounting Standards Update 2016-16 |  |  |  |  |  |  |
Operating Loss Carryforwards [Line Items] |  |  |  |  |  |  |
Increase (decrease) in prepaid taxes | $ (5,500) |  |  |  |  |  |

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