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Acquisitions - Fair Value of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Mar. 31, 2021 | Jan. 25, 2021 | Dec. 31, 2020
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 447,059 |  | $ 443,272
Bristol |  |  |
Business Acquisition [Line Items] |  |  |
Cash included in current assets |  | $ 13,300 |
Current assets (including cash of $13.3 million) |  | 37,100 |
Net investment in sales-type leases, noncurrent |  | 29,000 |
Property, plant and equipment and other noncurrent assets |  | 11,900 |
Goodwill | $ 4,700 | 4,700 |
Total assets acquired |  | 88,600 |
Total liabilities assumed |  | (12,300) |
Net assets acquired |  | 76,300 |
Customer relationships | Bristol |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | 4,500 |
Trade name and other intangible assets | Bristol |  |  |
Business Acquisition [Line Items] |  |  |
Intangible assets |  | $ 1,400 |

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- Definition Amount of currency on hand as well as demand deposits with banks or financial institutions, acquired at the acquisition date. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=116869197&loc=d3e4845-128472 + Details
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