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Restructuring and Related Charges, Net of Reversals (Narratives) (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) Employee | Jun. 30, 2016 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring liabilities | $ 6,455 | $ 5,323 | $ 6,455 | $ 4,122 | $ 4,644
Restructuring charge, net of reversals |  | 5,100 | 8,100 | 8,900 |
Restructuring and related charges, net of reversals |  | 5,090 | 8,140 | 8,896 |
Accelerated depreciation of leasehold improvements |  | 100 | 2,600 |  |
Additional sublease charges |  |  |  | 2,000 |
Reversal of prior accruals | 1,300 | 438 | 12 | 1,446 |
2019 Reduction-in-force |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and benefits charges |  | 3,700 |  |  |
Additional severance cost | $ 1,100 |  |  |  |
2019 Reduction-in-force | Non-Cancelable Lease Payments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Charges for changes to estimates for accrued lease costs |  | $ 300 |  |  |
2018 Reduction-in-force |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and benefits charges |  |  | 7,900 |  |
2018 Reduction-in-force | Non-Cancelable Lease Payments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Charges for changes to estimates for accrued lease costs |  |  | $ 200 |  |
Reduction-in-force |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and benefits charges |  |  |  | $ 5,600 |
Number of employees eliminated under reduction-in-force | Employee |  |  |  | 90 |

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