Segment Information (Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Segment Reporting Information [Line Items]
Total revenue	$ 830,509	$ 834,538
Global Ecommerce
Segment Reporting Information [Line Items]
Total from contracts with customers	333,265	340,641
Presort Services
Segment Reporting Information [Line Items]
Total from contracts with customers	169,807	158,902
SendTech Solutions
Segment Reporting Information [Line Items]
Total from contracts with customers	$ 327,437	$ 334,995