Revenue (Disaggregates of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 776,481	$ 871,495	$ 1,611,019	$ 1,798,437
Total consolidated revenue	776,481	871,495	1,611,019	1,798,437
ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	632,377	718,748	1,319,982	1,488,844
ASC 606 | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services	73,495	76,153	150,559	154,526
ASC 606 | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services	558,882	642,595	1,169,423	1,334,318
Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	312,754	393,770	661,145	812,297
Revenue from leasing transactions and financing	312,754	393,770	661,145	812,297
Global Ecommerce | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	312,754	393,770	661,145	812,297
Global Ecommerce | ASC 606 | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Global Ecommerce | ASC 606 | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services	312,754	393,770	661,145	812,297
Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	143,107	138,934	302,009	299,478
Revenue from leasing transactions and financing	143,107	138,934	302,009	299,478
Presort Services | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	143,107	138,934	302,009	299,478
Presort Services | ASC 606 | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Presort Services | ASC 606 | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services	143,107	138,934	302,009	299,478
SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	320,620	338,791	647,865	686,662
Revenue from leasing transactions and financing	320,620	338,791	647,865	686,662
SendTech Solutions | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	176,516	186,044	356,828	377,069
SendTech Solutions | ASC 606 | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services	73,495	76,153	150,559	154,526
SendTech Solutions | ASC 606 | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services	103,021	109,891	206,269	222,543
Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	632,377	718,748	1,319,982	1,488,844
Revenue from leasing transactions and financing	144,104	152,747	291,037	309,593
Total consolidated revenue	776,481	871,495	1,611,019	1,798,437
Sales And Services | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	312,754	393,770	661,145	812,297
Sales And Services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	143,107	138,934	302,009	299,478
Sales And Services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	176,516	186,044	356,828	377,069
Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	473,497	551,478	996,988	1,148,862
Revenue from leasing transactions and financing	0	0	0	0
Total consolidated revenue	473,497	551,478	996,988	1,148,862
Business services | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	312,754	393,770	661,145	812,297
Business services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	143,107	138,934	302,009	299,478
Business services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	17,636	18,774	33,834	37,087
Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	103,315	107,625	208,599	217,977
Revenue from leasing transactions and financing	0	0	0	0
Total consolidated revenue	103,315	107,625	208,599	217,977
Support services | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Support services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Support services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	103,315	107,625	208,599	217,977
Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Revenue from leasing transactions and financing	66,702	67,298	133,751	139,327
Total consolidated revenue	66,702	67,298	133,751	139,327
Financing | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Financing | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Financing | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	19,060	21,400	39,055	42,699
Revenue from leasing transactions and financing	60,391	68,586	123,006	136,583
Total consolidated revenue	79,451	89,986	162,061	179,282
Equipment sales | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Equipment sales | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Equipment sales | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	19,060	21,400	39,055	42,699
Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	36,505	38,245	75,340	79,306
Revenue from leasing transactions and financing	0	0	0	0
Total consolidated revenue	36,505	38,245	75,340	79,306
Supplies | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Supplies | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Supplies | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	36,505	38,245	75,340	79,306
Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Revenue from leasing transactions and financing	17,011	16,863	34,280	33,683
Total consolidated revenue	17,011	16,863	34,280	33,683
Rentals | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Rentals | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Rentals | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	144,104	152,747	291,037	309,593
Revenue from leasing transactions and financing | Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	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	0
Revenue from leasing transactions and financing | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 144,104	$ 152,747	$ 291,037	$ 309,593