Fixed Assets (Fixed Assets) (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 1,015,930	$ 1,058,856
Accumulated depreciation	(830,017)	(840,199)
Property, plant and equipment, net	185,913	218,657
Rental property and equipment	57,571	64,293
Accumulated depreciation	(33,517)	(39,706)
Rental property and equipment, net	24,054	24,587
Machinery and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	493,157	538,255
Internal-use software
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	445,693	435,614
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 77,080	$ 84,987