Intangible Assets and Goodwill (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Goodwill [Line Items]
Goodwill before accumulated impairment			$ 891,217
Accumulated impairment			(39,876)
Goodwill
Beginning balance	$ 734,409	$ 851,341
Impairment	0	(123,574)	0
FX Impact	(13,406)	6,642
Ending balance	721,003	734,409	851,341
Other
Goodwill [Line Items]
Goodwill before accumulated impairment			163,450
Accumulated impairment			(39,876)
Goodwill
Beginning balance	0	123,574
Impairment		(123,574)
FX Impact		0
Ending balance		0	123,574
SendTech Solutions
Goodwill
Beginning balance	510,646
FX Impact	(13,406)
Ending balance	497,240	510,646
SendTech Solutions | Operating Segments
Goodwill [Line Items]
Goodwill before accumulated impairment			504,004
Accumulated impairment			0
Goodwill
Beginning balance	510,646	504,004
Impairment		0
FX Impact		6,642
Ending balance		510,646	504,004
Presort Services
Goodwill
Beginning balance	223,763
FX Impact	0
Ending balance	223,763	223,763
Presort Services | Operating Segments
Goodwill [Line Items]
Goodwill before accumulated impairment			223,763
Accumulated impairment			0
Goodwill
Beginning balance	$ 223,763	223,763
Impairment		0
FX Impact		0
Ending balance		$ 223,763	$ 223,763