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Other Current Assets and Other Assets	12 Months Ended
Other Current Assets and Other Assets	Dec. 31, 2019
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Other Current Assets and Other Assets	Other Current Assets and Other Assets At December 31, 2019 and 2018, other current assets primarily consisted of vendor advances, prepaid rents and deposits, prepaid income taxes, software licenses, prepaid maintenance agreements and deferred contract costs. At December 31, 2019 and 2018, other assets primarily consisted of deferred compensation plan assets.