Revenue (Disaggregates of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 926,942	$ 915,197
Total consolidated revenue	926,942	915,197
ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	770,096	750,493
Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	78,373	77,538
Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	691,723	672,955
Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	770,096	750,493
Revenue from leasing transactions and financing	156,846	164,704
Total consolidated revenue	926,942	915,197
Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	597,384	570,454
Revenue from leasing transactions and financing	0	0
Total consolidated revenue	597,384	570,454
Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	110,352	118,697
Revenue from leasing transactions and financing	0	0
Total consolidated revenue	110,352	118,697
Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Revenue from leasing transactions and financing	72,029	77,812
Total consolidated revenue	72,029	77,812
Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	21,299	19,118
Revenue from leasing transactions and financing	67,997	67,685
Total consolidated revenue	89,296	86,803
Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	41,061	42,224
Revenue from leasing transactions and financing	0	0
Total consolidated revenue	41,061	42,224
Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Revenue from leasing transactions and financing	16,820	19,207
Total consolidated revenue	16,820	19,207
Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	156,846	164,704
Global Ecommerce
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	418,527	413,086
Global Ecommerce | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	418,527	413,086
Global Ecommerce | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Global Ecommerce | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	418,527	413,086
Global Ecommerce | Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	418,527	413,086
Global Ecommerce | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	418,527	413,086
Global Ecommerce | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Global Ecommerce | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Global Ecommerce | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Global Ecommerce | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Global Ecommerce | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Global Ecommerce | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	0
Presort Services
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	160,544	143,126
Presort Services | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	160,544	143,126
Presort Services | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Presort Services | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	160,544	143,126
Presort Services | Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	160,544	143,126
Presort Services | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	160,544	143,126
Presort Services | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Presort Services | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Presort Services | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Presort Services | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Presort Services | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
Presort Services | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	0	0
SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	347,871	358,985
SendTech Solutions | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	191,025	194,281
SendTech Solutions | Products/services transferred at a point in time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	78,373	77,538
SendTech Solutions | Products/services transferred over time | ASC 606
Disaggregation of Revenue [Line Items]
Revenue from products and services	112,652	116,743
SendTech Solutions | Sales And Services
Disaggregation of Revenue [Line Items]
Revenue from products and services	191,025	194,281
SendTech Solutions | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services	18,313	14,242
SendTech Solutions | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services	110,352	118,697
SendTech Solutions | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
SendTech Solutions | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services	21,299	19,118
SendTech Solutions | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services	41,061	42,224
SendTech Solutions | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services	0	0
SendTech Solutions | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing	$ 156,846	$ 164,704