Segment Information (Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Segment Reporting Information [Line Items]
Total revenue	$ 776,481	$ 871,495	$ 1,611,019	$ 1,798,437
Global Ecommerce
Segment Reporting Information [Line Items]
Total from contracts with customers	312,754	393,770	661,145	812,297
Presort Services
Segment Reporting Information [Line Items]
Total from contracts with customers	143,107	138,934	302,009	299,478
SendTech Solutions
Segment Reporting Information [Line Items]
Total from contracts with customers	$ 320,620	$ 338,791	$ 647,865	$ 686,662