Intangible Assets and Goodwill (Goodwill) (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2024 USD ($)
Goodwill
Beginning balance	$ 734,409
Currency impact	2,872
Ending balance	737,281
SendTech Solutions
Goodwill
Beginning balance	510,646
Currency impact	2,872
Ending balance	513,518
Presort Services
Goodwill
Beginning balance	223,763
Currency impact	0
Ending balance	$ 223,763