Condensed Consolidated Statements of Operations - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022
Revenue:
Total revenue	$ 776,481	$ 871,495	$ 1,611,019	$ 1,798,437
Costs and expenses:
Selling, general and administrative	222,549	226,638	464,669	469,423
Research and development	10,274	11,254	20,767	22,588
Restructuring charges	22,443	4,224	26,042	8,408
Goodwill impairment	118,599	0	118,599	0
Interest expense, net	22,920	21,007	45,262	43,131
Other components of net pension and postretirement (income) cost	(1,751)	958	(3,461)	1,802
Other income, net	(228)	0	(3,064)	(11,901)
Total costs and expenses	927,431	874,185	1,772,956	1,776,103
(Loss) income before taxes	(150,950)	(2,690)	(161,937)	22,334
Benefit for income taxes	(9,415)	(7,026)	(12,665)	(2,823)
Net (loss) income	$ (141,535)	$ 4,336	$ (149,272)	$ 25,157
Basic net (loss) earnings per share (in dollars per share)	$ (0.81)	$ 0.02	$ (0.85)	$ 0.14
Diluted net (loss) earnings per share (in dollars per share)	$ (0.81)	$ 0.02	$ (0.85)	$ 0.14
Business services
Revenue:
Total revenue	$ 473,497	$ 551,478	$ 996,988	$ 1,148,862
Costs and expenses:
Cost of products and sales	410,638	477,544	856,955	980,759
Support services
Revenue:
Total revenue	103,315	107,625	208,599	217,977
Costs and expenses:
Cost of products and sales	35,018	37,711	71,858	74,845
Financing
Revenue:
Total revenue	66,702	67,298	133,751	139,327
Costs and expenses:
Cost of products and sales	14,763	12,533	29,299	24,135
Equipment sales
Revenue:
Total revenue	79,451	89,986	162,061	179,282
Costs and expenses:
Cost of equipment sales	56,180	63,815	113,351	127,586
Supplies
Revenue:
Total revenue	36,505	38,245	75,340	79,306
Costs and expenses:
Cost of products and sales	10,884	11,028	22,109	22,545
Rentals
Revenue:
Total revenue	17,011	16,863	34,280	33,683
Costs and expenses:
Cost of products and sales	$ 5,142	$ 7,473	$ 10,570	$ 12,782