Condensed Consolidated Statements of Operations - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Revenue		$ 875,449	$ 891,898	$ 2,689,849	$ 2,525,658
Costs and expenses:
Selling, general and administrative		225,024	238,618	699,316	720,882
Research and development		10,621	9,255	32,996	28,838
Restructuring charges		3,701	3,766	11,434	12,505
Goodwill impairment		0	0	0	198,169
Interest expense, net		24,312	27,175	73,816	79,504
Other components of net pension and postretirement cost (income)		46	(109)	708	126
Other expense (income)		3,193	(6,325)	40,941	9,787
Total costs and expenses		868,479	880,571	2,698,735	2,726,189
Income (loss) from continuing operations before taxes		6,970	11,327	(8,886)	(200,531)
(Benefit) provision for income taxes		(1,525)	554	(10,602)	7,540
Income (loss) from continuing operations		8,495	10,773	1,716	(208,071)
Income (loss) from discontinued operations, net of tax		572	616	(4,334)	7,648
Net income (loss)		$ 9,067	$ 11,389	$ (2,618)	$ (200,423)
Basic earnings (loss) per share:
Continuing operations (in dollars per share)	[1]	$ 0.05	$ 0.06	$ 0.01	$ (1.21)
Discontinued operations (in dollars per share)	[1]	0	0	(0.02)	0.04
Net (loss) income (in dollars per share)	[1]	0.05	0.07	(0.02)	(1.17)
Diluted earnings (loss) per share:
Continuing operations (in dollars per share)	[1]	0.05	0.06	0.01	(1.21)
Discontinued operations (in dollars per share)	[1]	0	0	(0.02)	0.04
Net (loss) income (in dollars per share)	[1]	$ 0.05	$ 0.07	$ (0.02)	$ (1.17)
Business services
Revenue		$ 551,384	$ 550,954	$ 1,688,860	$ 1,524,323
Costs and expenses:
Cost of products and sales		472,216	482,965	1,454,564	1,311,941
Support services
Revenue		113,413	117,519	347,266	353,320
Costs and expenses:
Cost of products and sales		38,250	37,647	112,646	114,132
Financing
Revenue		71,936	86,218	223,201	260,758
Costs and expenses:
Cost of products and sales		11,710	11,626	35,369	36,054
Equipment sales
Revenue		83,234	79,572	256,304	213,682
Costs and expenses:
Cost of equipment sales		62,221	59,766	185,622	165,045
Supplies
Revenue		38,211	39,635	119,090	118,117
Costs and expenses:
Cost of products and sales		10,705	10,132	32,383	30,751
Rentals
Revenue		17,271	18,000	55,128	55,458
Costs and expenses:
Cost of products and sales		$ 6,480	$ 6,055	$ 18,940	$ 18,455

[1] The sum of the earnings per share amounts may not equal the totals due to rounding.