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Divestiture	3 Months Ended
Divestiture	Mar. 31, 2020
Discontinued Operations and Disposal Groups [Abstract]
Divestiture	Divestiture Sale of SureCheck During the second quarter of 2019, ParTech entered into an asset purchase agreement to sell substantially all of the assets relating to the SureCheck product group within the Company's Restaurant/Retail reporting segment. The sale does not qualify for treatment as a discontinued operation, and therefore, the SureCheck product group is included in the Company’s continuing operations for all periods presented.