CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022
Revenue:
Total revenue	$ 783,751	$ 830,914	$ 2,394,770	$ 2,629,351
Costs and expenses:
Selling, general and administrative	209,416	209,576	674,085	678,999
Research and development	10,362	9,812	31,129	32,400
Restructuring charges and asset impairments	16,578	4,264	42,620	12,672
Goodwill impairment	0	0	118,599	0
Interest expense, net	26,782	23,685	72,044	66,816
Other components of net pension and postretirement (income) cost	(2,683)	1,427	(6,144)	3,229
Other income, net	0	(8,398)	(3,064)	(20,299)
Total costs and expenses	800,455	820,785	2,573,411	2,596,888
(Loss) income before taxes	(16,704)	10,129	(178,641)	32,463
(Benefit) provision for income taxes	(4,185)	4,642	(16,850)	1,819
Net (loss) income	$ (12,519)	$ 5,487	$ (161,791)	$ 30,644
Basic net (loss) earnings per share (in dollars per share)	$ (0.07)	$ 0.03	$ (0.92)	$ 0.18
Diluted net (loss) earnings per share (in dollars per share)	$ (0.07)	$ 0.03	$ (0.92)	$ 0.17
Business services
Revenue:
Total revenue	$ 483,987	$ 518,405	$ 1,480,975	$ 1,667,267
Costs and expenses:
Cost of products and sales	419,859	452,715	1,276,814	1,433,474
Support services
Revenue:
Total revenue	101,855	107,642	310,454	325,619
Costs and expenses:
Cost of products and sales	35,589	36,618	107,447	111,463
Financing
Revenue:
Total revenue	68,572	67,757	202,323	207,084
Costs and expenses:
Cost of equipment sales	16,813	13,692	46,112	37,827
Equipment sales
Revenue:
Total revenue	76,705	83,528	238,766	262,810
Costs and expenses:
Cost of products and sales	52,952	60,595	166,303	188,181
Supplies
Revenue:
Total revenue	35,695	37,455	111,035	116,761
Costs and expenses:
Cost of products and sales	10,498	10,529	32,607	33,074
Rentals
Revenue:
Total revenue	16,937	16,127	51,217	49,810
Costs and expenses:
Cost of products and sales	$ 4,289	$ 6,270	$ 14,859	$ 19,052