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ACQUISITIONS - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Mar. 31, 2020 USD ($) | Mar. 31, 2020 USD ($)
Business Acquisition [Line Items] |  |
Goodwill acquired | $ 34,911 |
TSYS |  |
Business Acquisition [Line Items] |  |
Adjustment to goodwill | (54,742) |
Goodwill acquired | 17,300,000 |
Revenue of acquiree | 1,055,000 |
Operating income (loss) of acquiree | 115,500 |
Employee termination benefits obligation | 48,300 | $ 48,300
Employee termination benefits charges | 17,600 | 74,700
Employee termination benefits charges related to stock-based compensation | 2,600 | $ 19,900
Merchant Solutions |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | 34,911 |
Merchant Solutions | TSYS |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | 7,100,000 |
Issuer Solutions |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | 0 |
Issuer Solutions | TSYS |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | 7,900,000 |
Business and Consumer Solutions |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | 0 |
Business and Consumer Solutions | TSYS |  |
Business Acquisition [Line Items] |  |
Goodwill acquired | $ 2,300,000 |

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- Definition Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=108376223&loc=d3e13816-109267 + Details
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