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Restructuring Charges (Narratives) (Details) | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Dec. 31, 2016 USD ($) ft² | Dec. 31, 2015 USD ($) | Sep. 30, 2015 USD ($) | Dec. 31, 2016 USD ($) ft² | Jun. 30, 2016 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring liabilities | $ 3,823,000 |  |  | $ 3,823,000 | $ 4,644,000
Accelerated depreciation of leasehold improvements | $ 1,700,000 |  |  |  |
Area of prior headquarters site remaining under lease | ft² | 34,905 |  |  | 34,905 |
Leasehold improvements related to prior headquarters at cease-use date | $ 0 |  |  | $ 0 |
Restructuring charges |  |  |  | 1,853,000 |
Restructuring charge, net of reversals |  | $ 3,000,000 | $ 5,600,000 |  |
Percentage of reduction in floor space |  | 36.00% |  |  |
Sub-Lease Income for Exited Facilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges | 100,000 |  |  |  |
Excess Facilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring liabilities | $ 3,823,000 |  |  | 3,823,000 | $ 4,644,000
Restructuring charges |  |  |  | $ 135,000 |
Restructuring charge, net of reversals |  | $ 2,900,000 | 5,400,000 |  |
Severance Benefits |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  | 200,000 | 200,000 |  |
Non-Cancelable Lease Payments |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  |  | 4,100,000 |  |
Lease abandonment |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  | 1,900,000 | $ 1,300,000 |  |
Contract Termination Charges and Professional Fees |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charge, net of reversals |  | $ 1,000,000 |  |  |

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