Segment Information (Revenues) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting Information [Line Items]
Total revenue	$ 461,909	$ 489,745	$ 955,329	$ 1,011,014
Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	461,909	486,131	955,329	1,002,759
Other
Segment Reporting Information [Line Items]
Total from contracts with customers	0	3,614	0	8,255
Total revenue		3,614		8,255
SendTech Solutions | Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	311,716	339,273	627,322	686,094
Total revenue	311,716	339,273	627,322	686,094
Presort Services | Operating Segments
Segment Reporting Information [Line Items]
Total from contracts with customers	150,193	146,858	328,007	316,665
Total revenue	$ 150,193	$ 146,858	$ 328,007	$ 316,665