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Goodwill and Other Intangible Assets - Schedule of Other Intangible Assets (Details) - USD ($) $ in Thousands |  | 12 Months Ended
--- | --- | ---
Mar. 05, 2019 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount |  | $ 2,387,175 | $ 2,241,843 |
Accumulated Amortization |  | (835,163) | (666,793) |
Net Carrying Amount |  | 1,552,012 | 1,575,050 |
Amortization expense | $ 266,300 | 171,100 | 159,400 | $ 138,200
Acquired software and developed technology |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount |  | 327,134 | 269,888 |
Accumulated Amortization |  | (164,245) | (142,239) |
Net Carrying Amount |  | 162,889 | 127,649 |
Customer relationships |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount |  | 1,842,709 | 1,762,066 |
Accumulated Amortization |  | (608,178) | (478,680) |
Net Carrying Amount |  | 1,234,531 | 1,283,386 |
Licensing agreements |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount |  | 152,805 | 145,295 |
Accumulated Amortization |  | (35,010) | (24,160) |
Net Carrying Amount |  | 117,795 | 121,135 |
Patent |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount |  | 2,549 | 2,319 |
Accumulated Amortization |  | (2,549) | (2,183) |
Net Carrying Amount |  | 0 | 136 |
Trade names and brand names |  |  |  |
Finite-Lived Intangible Assets [Line Items] |  |  |  |
Gross Carrying Amount |  | 61,978 | 62,275 |
Accumulated Amortization |  | (25,181) | (19,531) |
Net Carrying Amount |  | $ 36,797 | $ 42,744 |

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- Definition The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. + References Reference 1: 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 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(2) -URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274 + Details
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