XML 112 R95.htm IDEA: XBRL DOCUMENT
v3.10.0.1

QUARTERLY CONSOLIDATED FINANCIAL INFORMATION (UNAUDITED) - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2018 | Sep. 30, 2018 | Jun. 30, 2018 | Mar. 31, 2018 | Dec. 31, 2017 | Sep. 30, 2017 | Jun. 30, 2017 | Mar. 31, 2017 | Dec. 31, 2018 | Dec. 31, 2017
Quarterly Financial Information Disclosure [Abstract] |  |  |  |  |  |  |  |  |  |
Acquisition and integration expenses | $ 21.7 | $ 8.2 | $ 8.1 | $ 18.3 | $ 25.1 | $ 21.5 | $ 21.9 | $ 26.1 |  |
Provisional income tax benefit related to 2017 US Tax Reform Act |  |  |  |  |  |  |  |  | $ 23.3 | $ 158.7
Increase (decrease) in estimated transition tax liability |  | $ (23.3) |  |  |  |  |  |  | $ (40.4) |

X
- Definition Increase (Decrease) in Estimated Transition Tax Liability + References No definition available. + Details
Name: | gpn_IncreaseDecreaseinEstimatedTransitionTaxLiability
Namespace Prefix: | gpn_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Tax Cuts and Jobs Act of 2017, Incomplete Accounting, Provisional Income Tax Expense (Benefit) + References No definition available. + Details
Name: | gpn_TaxCutsandJobsActof2017IncompleteAccountingProvisionalIncomeTaxExpenseBenefit
Namespace Prefix: | gpn_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Costs incurred to effect a business combination which have been expensed during the period. Such costs could include business integration costs, systems integration and conversion costs, and severance and other employee-related costs. + References No definition available. + Details
Name: | us-gaap_BusinessCombinationIntegrationRelatedCosts
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_QuarterlyFinancialInformationDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration