Revenue (Disaggregates of Revenue) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 3,266,348	$ 3,538,042	$ 3,673,561
Total revenue	3,266,348	3,538,042	3,673,561
ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	2,691,656	2,930,340	3,046,015
Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	306,414	318,438	318,077
Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	2,385,242	2,611,902	2,727,938
Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	1,355,326	1,576,348	1,702,580
Revenue from leasing transactions and financing	1,355,326	1,576,348	1,702,580
Global Ecommerce | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	1,355,326	1,576,348	1,702,580
Global Ecommerce | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Global Ecommerce | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	1,355,326	1,576,348	1,702,580
Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	617,599	602,016	573,480
Revenue from leasing transactions and financing	617,599	602,016	573,480
Presort Services | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	617,599	602,016	573,480
Presort Services | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Presort Services | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	617,599	602,016	573,480
SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	1,293,423	1,359,678	1,397,501
Revenue from leasing transactions and financing	1,293,423	1,359,678	1,397,501
SendTech Solutions | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	718,731	751,976	769,955
SendTech Solutions | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	306,414	318,438	318,077
SendTech Solutions | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	412,317	433,538	451,878
Sales and Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	2,691,656	2,930,340	3,046,015
Revenue from leasing transactions and financing	574,692	607,702	627,546
Total revenue	3,266,348	3,538,042	3,673,561
Sales and Services | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	1,355,326	1,576,348	1,702,580
Sales and Services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	617,599	602,016	573,480
Sales and Services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	718,731	751,976	769,955
Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	2,045,069	2,249,941	2,334,674
Revenue from leasing transactions and financing	0	0	0
Total revenue	2,045,069	2,249,941	2,334,674
Business services | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	1,355,326	1,576,348	1,702,580
Business services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	617,599	602,016	573,480
Business services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	72,144	71,577	58,614
Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	410,734	438,191	460,888
Revenue from leasing transactions and financing	0	0	0
Total revenue	410,734	438,191	460,888
Support services | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Support services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Support services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	410,734	438,191	460,888
Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Revenue from leasing transactions and financing	271,197	274,508	294,418
Total revenue	271,197	274,508	294,418
Financing | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Financing | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Financing | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	88,144	88,022	91,015
Revenue from leasing transactions and financing	235,595	266,938	259,123
Total revenue	323,739	354,960	350,138
Equipment sales | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Equipment sales | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Equipment sales | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	88,144	88,022	91,015
Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	147,709	154,186	159,438
Revenue from leasing transactions and financing	0	0	0
Total revenue	147,709	154,186	159,438
Supplies | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Supplies | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Supplies | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	147,709	154,186	159,438
Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Revenue from leasing transactions and financing	67,900	66,256	74,005
Total revenue	67,900	66,256	74,005
Rentals | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Rentals | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Rentals | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0
Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	574,692	607,702	627,546
Revenue from leasing transactions and financing | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	0	0
Revenue from leasing transactions and financing | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	0	0
Revenue from leasing transactions and financing | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 574,692	$ 607,702	$ 627,546