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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 ($) | Jun. 30, 2018 USD ($) | Jun. 30, 2017 USD ($) Employee | Jun. 30, 2016 USD ($) | Jun. 30, 2015 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring liabilities | $ 6,455 | $ 6,455 | $ 4,122 | $ 4,644 | $ 5,854
Restructuring charge, net of reversals |  | 8,100 | 8,900 | 11,000 |
Restructuring and related charges, net of reversals |  | 8,140 | 8,896 | 10,990 |
Accelerated depreciation of leasehold improvements |  | 2,600 |  |  |
Additional sublease charges |  |  | 2,000 |  |
Reversal of prior accruals | 1,300 | 12 | 1,446 | $ 726 |
Abandoned facilities, percent of original space |  |  |  | 32.00% |
San Jose Location |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related cost excess facility non-cancellable leased space percent |  |  |  | 39.00% |
North Carolina Location |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  |  |  | $ 4,100 |
Accelerated depreciation of leasehold improvements |  |  |  | $ 3,100 |
Abandoned facilities, percent of original space |  |  |  | 36.00% |
Salem Location |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  |  |  | $ 4,400 |
Accelerated depreciation of leasehold improvements |  |  |  | $ 1,300 |
Restructuring and related cost excess facility non-cancellable leased space percent |  |  |  | 27.00% |
Non-Cancelable Lease Payments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  |  |  | $ 5,400 |
Non-Cancelable Lease Payments | San Jose Location |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  |  |  | 1,800 |
Excess Facilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring liabilities | $ 1,797 | 1,797 | 2,184 | 4,644 |
Reversal of prior accruals |  |  | 1,337 | 18 |
Professional fee related to restructuring charge |  |  |  | 1,000 |
Other restructuring charge |  |  |  | 100 |
Excess Facilities | Leasehold Improvements |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Accelerated depreciation of leasehold improvements |  |  |  | $ 4,500 |
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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