Revenue (Disaggregates of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 871,495	$ 899,203	$ 1,798,437	$ 1,814,400
Total consolidated revenue	871,495	899,203	1,798,437	1,814,400
ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	718,748	743,227	1,488,844	1,493,719
Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	76,153	77,275	154,526	154,811
Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	642,595	665,952	1,334,318	1,338,908
Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	718,748	743,227	1,488,844	1,493,719
Revenue from leasing transactions and financing	152,747	155,976	309,593	320,681
Total consolidated revenue	871,495	899,203	1,798,437	1,814,400
Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	551,478	567,022	1,148,862	1,137,476
Revenue from leasing transactions and financing	0	0	0	0
Total consolidated revenue	551,478	567,022	1,148,862	1,137,476
Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	107,625	115,156	217,977	233,853
Revenue from leasing transactions and financing	0	0	0	0
Total consolidated revenue	107,625	115,156	217,977	233,853
Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Revenue from leasing transactions and financing	67,298	73,453	139,327	151,265
Total consolidated revenue	67,298	73,453	139,327	151,265
Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	21,400	22,394	42,699	41,511
Revenue from leasing transactions and financing	68,586	63,873	136,583	131,559
Total consolidated revenue	89,986	86,267	179,282	173,070
Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	38,245	38,655	79,306	80,879
Revenue from leasing transactions and financing	0	0	0	0
Total consolidated revenue	38,245	38,655	79,306	80,879
Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Revenue from leasing transactions and financing	16,863	18,650	33,683	37,857
Total consolidated revenue	16,863	18,650	33,683	37,857
Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	152,747	155,976	309,593	320,681
Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	393,770	418,429	812,297	831,515
Global Ecommerce | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	393,770	418,429	812,297	831,515
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	0
Global Ecommerce | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	393,770	418,429	812,297	831,515
Global Ecommerce | Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	393,770	418,429	812,297	831,515
Global Ecommerce | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	393,770	418,429	812,297	831,515
Global Ecommerce | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Global Ecommerce | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Global Ecommerce | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Global Ecommerce | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Global Ecommerce | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Global Ecommerce | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	0	0	0
Presort Services
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	138,934	134,619	299,478	277,745
Presort Services | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	138,934	134,619	299,478	277,745
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	0
Presort Services | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	138,934	134,619	299,478	277,745
Presort Services | Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	138,934	134,619	299,478	277,745
Presort Services | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	138,934	134,619	299,478	277,745
Presort Services | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Presort Services | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Presort Services | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Presort Services | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Presort Services | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
Presort Services | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	0	0	0
SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	338,791	346,155	686,662	705,140
SendTech Solutions | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	186,044	190,179	377,069	384,459
SendTech Solutions | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	76,153	77,275	154,526	154,811
SendTech Solutions | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	109,891	112,904	222,543	229,648
SendTech Solutions | Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	186,044	190,179	377,069	384,459
SendTech Solutions | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	18,774	13,974	37,087	28,216
SendTech Solutions | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	107,625	115,156	217,977	233,853
SendTech Solutions | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
SendTech Solutions | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	21,400	22,394	42,699	41,511
SendTech Solutions | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	38,245	38,655	79,306	80,879
SendTech Solutions | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0	0	0
SendTech Solutions | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 152,747	$ 155,976	$ 309,593	$ 320,681