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COMMITMENTS AND CONTINGENCIES - Narrative (Details) - Heartland Payment Systems $ in Millions | 1 Months Ended
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May 31, 2017 USD ($) option
Loss Contingencies [Line Items] |
Total purchase consideration | $ | $ 37.5
Term of operating lease contract | 20 years
Number of renewal options | option | 4
Renewal term of operating lease contract | 5 years

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