Acquisitions, Divestitures, Intangible Assets and Goodwill (Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Goodwill [Line Items]
Goodwill before accumulated impairment		$ 1,333,272	$ 1,350,454
Accumulated impairment		(198,169)	(198,169)
Goodwill
Beginning balance	$ 1,135,103	1,152,285
Acquisitions/(dispositions)	(53,107)	(2,396)
FX Impact	(15,045)	(14,786)
Ending balance	1,066,951	1,135,103
Global Ecommerce
Goodwill
Ending balance	339,000
Digital Commerce Solutions | Global Ecommerce
Goodwill [Line Items]
Goodwill before accumulated impairment		593,231	609,431
Accumulated impairment		(198,169)	(198,169)
Goodwill
Beginning balance	395,062	411,262
Acquisitions/(dispositions)	(55,878)	(16,200)
FX Impact	0	0
Ending balance	339,184	395,062
Digital Commerce Solutions | Presort Services
Goodwill [Line Items]
Goodwill before accumulated impairment		220,992	220,992
Accumulated impairment		0	0
Goodwill
Beginning balance	220,992	220,992
Acquisitions/(dispositions)	2,771	0
FX Impact	0	0
Ending balance	223,763	220,992
SendTech Solutions
Goodwill [Line Items]
Goodwill before accumulated impairment		519,049	520,031
Accumulated impairment		0	$ 0
Goodwill
Beginning balance	519,049	520,031
Acquisitions/(dispositions)	0	13,804
FX Impact	(15,045)	(14,786)
Ending balance	$ 504,004	$ 519,049