Revenue (Disaggregates of Revenue) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2024	Sep. 30, 2024	Jun. 30, 2024	Mar. 31, 2024	Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disaggregation of Revenue [Line Items]
Total revenue	$ 516,121	$ 499,463	$ 489,745	$ 521,269	$ 526,416	$ 503,033	$ 500,831	$ 548,645	$ 2,026,598	$ 2,078,925	$ 2,482,883
Sales and Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									1,494,572	1,504,233	1,875,181
Revenue from leasing transactions and financing									532,026	574,692	607,702
Total revenue									2,026,598	2,078,925	2,482,883
Sales and Services | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services									296,691	306,415	318,439
Sales and Services | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services									1,197,881	1,197,818	1,556,742
Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services									886,041	857,646	1,194,782
Revenue from leasing transactions and financing									0	0	0
Total revenue									886,041	857,646	1,194,782
Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services									374,571	410,734	438,191
Revenue from leasing transactions and financing									0	0	0
Total revenue									374,571	410,734	438,191
Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Revenue from leasing transactions and financing									269,893	271,197	274,508
Total revenue									269,893	271,197	274,508
Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services									90,715	88,144	88,022
Revenue from leasing transactions and financing									196,885	235,595	266,938
Total revenue									287,600	323,739	354,960
Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services									143,245	147,709	154,186
Revenue from leasing transactions and financing									0	0	0
Total revenue									143,245	147,709	154,186
Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Revenue from leasing transactions and financing									65,248	67,900	66,256
Total revenue									65,248	67,900	66,256
Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing									532,026	574,692	607,702
Operating Segments
Disaggregation of Revenue [Line Items]
Revenue from products and services									1,942,453	1,945,472	2,120,771
Operating Segments | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									1,279,866	1,327,873	1,518,755
Total revenue									1,279,866	1,327,873	1,518,755
Operating Segments | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									662,587	617,599	602,016
Total revenue									662,587	617,599	602,016
Operating Segments | Sales and Services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									747,840	753,181	911,053
Operating Segments | Sales and Services | SendTech Solutions | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services									296,691	306,415	318,439
Operating Segments | Sales and Services | SendTech Solutions | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services									451,149	446,766	592,614
Operating Segments | Sales and Services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									662,587	617,599	602,016
Operating Segments | Sales and Services | Presort Services | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Sales and Services | Presort Services | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services									662,587	617,599	602,016
Operating Segments | Business services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									139,309	106,594	230,654
Operating Segments | Business services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									662,587	617,599	602,016
Operating Segments | Support services | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									374,571	410,734	438,191
Operating Segments | Support services | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Financing | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Financing | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Equipment sales | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									90,715	88,144	88,022
Operating Segments | Equipment sales | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Supplies | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									143,245	147,709	154,186
Operating Segments | Supplies | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Rentals | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Rentals | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Operating Segments | Revenue from leasing transactions and financing | SendTech Solutions
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing									532,026	574,692	607,702
Operating Segments | Revenue from leasing transactions and financing | Presort Services
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing									0	0	0
Other
Disaggregation of Revenue [Line Items]
Revenue from products and services									84,145	133,453	362,112
Total revenue									84,145	133,453	362,112
Other | Sales and Services
Disaggregation of Revenue [Line Items]
Revenue from products and services									84,145	133,453	362,112
Other | Sales and Services | Products/services transferred at a point in time
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Other | Sales and Services | Products/services transferred over time
Disaggregation of Revenue [Line Items]
Revenue from products and services									84,145	133,453	362,112
Other | Business services
Disaggregation of Revenue [Line Items]
Revenue from products and services									84,145	133,453	362,112
Other | Support services
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Other | Financing
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Other | Equipment sales
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Other | Supplies
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Other | Rentals
Disaggregation of Revenue [Line Items]
Revenue from products and services									0	0	0
Other | Revenue from leasing transactions and financing
Disaggregation of Revenue [Line Items]
Revenue from leasing transactions and financing									$ 0	$ 0	$ 0