Segment Information (Net Loss) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2025	Mar. 31, 2024
Segment Reporting Information [Line Items]
Adjusted EBIT	$ 54,779	$ 40,329
Reconciliation of adjusted segment EBIT to income from continuing operations before taxes:
Interest expense, net	(24,270)	(27,306)
Restructuring charges	(1,400)	(3,766)
Loss on debt redemption/refinancing	(24,646)	0
Income from continuing operations before taxes	46,732	47,604
Operating Segments
Segment Reporting Information [Line Items]
Adjusted EBIT	149,713	134,039
Operating Segments \| SendTech Solutions
Segment Reporting Information [Line Items]
Adjusted EBIT	94,934	93,710
Operating Segments \| Presort Services
Segment Reporting Information [Line Items]
Adjusted EBIT	54,779	40,329
Reconciling Items
Segment Reporting Information [Line Items]
Adjusted EBIT	1,879	1,494
Reconciliation of adjusted segment EBIT to income from continuing operations before taxes:
Interest expense, net	(37,885)	(43,909)
Corporate expenses	(31,903)	(42,202)
Restructuring charges	(1,400)	(3,766)
Loss on debt redemption/refinancing	(24,646)	0
Foreign currency (loss) gain on intercompany loans	(7,595)	4,638
Strategic review costs	(1,890)	(2,690)
Reconciling Items \| Ecommerce \| Discontinued Operations, Disposed of by Sale
Reconciliation of adjusted segment EBIT to income from continuing operations before taxes:
Restructuring charges	$ 459	$ 0

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