Segment Information (Revenues) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Segment Reporting Information [Line Items]
Revenue	$ 3,538,042	$ 3,673,561	$ 3,554,075
United States
Segment Reporting Information [Line Items]
Revenue	3,065,211	3,114,905	3,112,285
Outside United States
Segment Reporting Information [Line Items]
Revenue	472,831	558,656	441,790
Digital Commerce Solutions | Global Ecommerce
Segment Reporting Information [Line Items]
Total from contracts with customers	1,576,348	1,702,580	1,618,897
Digital Commerce Solutions | Presort Services
Segment Reporting Information [Line Items]
Total from contracts with customers	602,016	573,480	521,212
SendTech Solutions
Segment Reporting Information [Line Items]
Total from contracts with customers	$ 1,359,678	$ 1,397,501	$ 1,413,966