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v3.21.1

Restructuring and other related costs - Restructuring related liabilities (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2019 | Mar. 31, 2018 | Mar. 31, 2021 | Mar. 31, 2020 | Dec. 31, 2018
Restructuring Reserve [Roll Forward] |  |  |  |  |
Restructuring expense (income) | $ 22,176 | $ 0 | $ 2,641 | $ (5,982) | $ 0
Employee severance and related expenses |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Beginning balance | 0 |  | 0 | 96 |
Restructuring expense (income) | 600 |  |  | (22) |
Cash disbursements | (504) |  |  | (74) |
Other adjustments | 0 |  |  |  |
Ending balance | 96 |  |  | 0 | 0
Other costs |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Beginning balance | 0 |  | 0 | 675 |
Restructuring expense (income) | 1,118 |  |  | 1,634 |
Cash disbursements | (443) |  |  | (2,309) |
Other adjustments | 0 |  |  |  |
Ending balance | 675 |  |  | 0 | 0
Employee severance and related expenses and other costs |  |  |  |  |
Restructuring Reserve [Roll Forward] |  |  |  |  |
Beginning balance | 0 |  | $ 0 | 771 |
Restructuring expense (income) | 1,718 |  |  | 1,612 |
Cash disbursements | (947) |  |  | (2,383) |
Other adjustments | 0 |  |  |  |
Ending balance | $ 771 |  |  | $ 0 | $ 0

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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/disclosureRef -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/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 17 -Subparagraph (f) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3367-108585 + Details
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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://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&loc=d3e140864-122747 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -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 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=121586364&loc=d3e3602-108585 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&loc=d3e140904-122747 + Details
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- Definition Carrying amount (including both current and noncurrent portions of the accrual) as of the balance sheet date pertaining to a specified type of cost associated with exit from or disposal of business activities or restructuring pursuant to a duly authorized plan. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -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://fasb.org/us-gaap/role/ref/legacyRef -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=115931487&loc=d3e140904-122747 + Details
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