Description of Business and Basis of Presentation (Narrative) (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Percent of fortune 500 companies serviced	90.00%		90.00%
Revenue	$ 830,914,000	$ 875,449,000	$ 2,629,351,000	$ 2,689,849,000
Pre-tax income	8,398,000	0	10,920,000	10,201,000
Tax charge (benefit) on sale of business			(4,000,000)	$ 6,000,000
Revision of Prior Period, Error Correction, Adjustment
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Pre-tax income	2,000,000
Tax charge (benefit) on sale of business			$ (3,000,000)
Borderfree Cross-border Ecommerce Solutions
Error Corrections and Prior Period Adjustments Restatement [Line Items]
Revenue	$ 0	$ 14,000,000