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Income Taxes - Summary of Net Operating Loss Carryforwards (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Mar. 29, 2020
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Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | $ 205,352 | $ 1,200
Australia |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 10,546 |
Germany |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 15,852 |
Japan |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 653 |
Luxembourg |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 163 |
Netherlands |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 6,578 |
Other |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 20,723 |
United Kingdom |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | 10,720 |
United States - Federal and various states |  |
Operating Loss Carryforwards [Line Items] |  |
Net Operating Loss Carryforwards | $ 140,117 |

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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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