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Restructuring Schedule of Restructuring Costs (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended | 23 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2017 | Dec. 31, 2016 | Mar. 31, 2017 | Mar. 31, 2016 | Dec. 31, 2017
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Restructuring charges |  |  | $ 1,667 | $ 7,577 |  |  |
Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning balance restructuring reserve |  |  | 11,080 |  |  |  |
Restructuring charges | $ 149 | $ 4,945 | 1,667 | $ 7,577 | $ 28,984 | $ 24,673 | $ 55,324
Paid in cash |  |  | (7,670) |  |  |  |
Ending balance restructuring reserve | 5,077 |  | 5,077 |  | 11,080 |  | 5,077
Lease termination costs | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning balance restructuring reserve |  |  | 4,572 |  |  |  |
Restructuring charges |  |  | 149 |  |  |  |
Paid in cash |  |  | (880) |  |  |  |
Ending balance restructuring reserve | 3,841 |  | 3,841 |  | 4,572 |  | 3,841
Severance costs | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning balance restructuring reserve |  |  | 2,555 |  |  |  |
Restructuring charges |  |  | 0 |  |  |  |
Paid in cash |  |  | (2,416) |  |  |  |
Ending balance restructuring reserve | 139 |  | 139 |  | 2,555 |  | 139
Termination of various contracts and other services | Fiscal Year 2016 Restructuring Plan |  |  |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |  |  |
Beginning balance restructuring reserve |  |  | 3,953 |  |  |  |
Restructuring charges |  |  | 1,518 |  |  |  |
Paid in cash |  |  | (4,374) |  |  |  |
Ending balance restructuring reserve | $ 1,097 |  | $ 1,097 |  | $ 3,953 |  | $ 1,097

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- Definition Amount of cash payments made as the result of exit or disposal activities. Excludes payments associated with 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 50 -Paragraph 1 -Subparagraph (b)(2) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3536-108585 + Details
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