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Restructuring Charges (Narratives) (Details) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($) Employee | Dec. 31, 2016 USD ($) | Mar. 31, 2018 USD ($) | Mar. 31, 2017 USD ($)
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related charges, net of reversals | $ 4,920 | $ 7,719 |  | $ 4,920 | $ 9,572
Net adjustments associated with sublease |  | 1,500 |  |  |
Restructuring charges |  |  |  | $ 4,920 |
Sub Lease Income for Non-cancelable Lease Payments for Excess Facilities |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring charges |  |  | $ 100 |  |
2018 Reduction-in-force |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and benefits charges | $ 4,900 |  |  |  |
2017 Reduction-in-force |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Restructuring and related charges, net of reversals |  | 7,700 |  |  | 9,600
Accelerated depreciation of leasehold improvements |  | 900 |  |  | $ 2,600
Reduction-in-force |  |  |  |  |
Restructuring Cost and Reserve [Line Items] |  |  |  |  |
Severance and benefits charges |  | $ 5,300 |  |  |
Number of employees eliminated under reduction-in-force | Employee |  | 90 |  |  |

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- Definition Amount of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 5.P.3) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SAB Topic 5.P.4(b)) -URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747 + Details
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