CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Revenue:
Total revenue	$ 793,170	$ 776,481	$ 1,623,679	$ 1,611,019
Costs and expenses:
Selling, general and administrative	220,008	222,549	436,205	464,669
Research and development	9,108	10,274	18,589	20,767
Restructuring charges	31,843	22,443	36,158	26,042
Goodwill impairment	0	118,599	0	118,599
Interest expense, net	28,767	22,920	56,533	45,262
Other components of net pension and postretirement income	(382)	(1,751)	(769)	(3,461)
Other income	0	(228)	0	(3,064)
Total costs and expenses	831,834	927,431	1,652,669	1,772,956
Loss before taxes	(38,664)	(150,950)	(28,990)	(161,937)
Benefit for income taxes	(13,797)	(9,415)	(1,238)	(12,665)
Net loss	$ (24,867)	$ (141,535)	$ (27,752)	$ (149,272)
Basic net loss per share (in dollars per share)	$ (0.14)	$ (0.81)	$ (0.16)	$ (0.85)
Diluted net loss per share (in dollars per share)	$ (0.14)	$ (0.81)	$ (0.16)	$ (0.85)
Business services
Revenue:
Total revenue	$ 506,666	$ 473,497	$ 1,042,263	$ 996,988
Costs and expenses:
Cost of products and sales	429,756	410,638	876,123	856,955
Support services
Revenue:
Total revenue	94,012	103,315	190,345	208,599
Costs and expenses:
Cost of products and sales	31,664	35,018	64,719	71,858
Financing
Revenue:
Total revenue	67,539	66,702	135,202	133,751
Costs and expenses:
Financing interest expense	15,965	14,763	32,568	29,299
Equipment sales
Revenue:
Total revenue	72,753	79,451	150,156	162,061
Costs and expenses:
Cost of products and sales	50,314	56,180	102,873	113,351
Supplies
Revenue:
Total revenue	35,509	36,505	72,230	75,340
Costs and expenses:
Cost of products and sales	10,358	10,884	20,553	22,109
Rentals
Revenue:
Total revenue	16,691	17,011	33,483	34,280
Costs and expenses:
Cost of products and sales	$ 4,433	$ 5,142	$ 9,117	$ 10,570