Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Revenue		$ 891,898	$ 790,125	$ 2,525,658	$ 2,373,782
Costs and expenses:
Selling, general and administrative		238,618	254,092	720,882	757,228
Research and development		9,255	12,272	28,838	38,421
Restructuring charges and asset impairments		3,766	47,017	12,505	56,616
Goodwill impairment		0	0	198,169	0
Interest expense, net		27,175	28,704	79,504	84,325
Other components of net pension and postretirement (income) cost		(109)	(882)	126	(3,138)
Other (income) expense		(6,325)	667	9,787	18,350
Total costs and expenses		880,571	809,675	2,726,189	2,355,021
Income (loss) from continuing operations before taxes		11,327	(19,550)	(200,531)	18,761
Provision (benefit) for income taxes		554	(24,895)	7,540	(13,351)
Income (loss) from continuing operations		10,773	5,345	(208,071)	32,112
Income (loss) from discontinued operations, net of tax		616	(8,470)	7,648	(14,199)
Net income (loss)		$ 11,389	$ (3,125)	$ (200,423)	$ 17,913
Basic earnings (loss) per share:
Continuing operations (in dollars per share)	[1]	$ 0.06	$ 0.03	$ (1.21)	$ 0.18
Discontinued operations (in dollars per share)	[1]	0	(0.05)	0.04	(0.08)
Net (loss) income (in dollars per share)	[1]	0.07	(0.02)	(1.17)	0.10
Diluted earnings (loss) per share:
Continuing operations (in dollars per share)	[1]	0.06	0.03	(1.21)	0.18
Discontinued operations (in dollars per share)	[1]	0	(0.05)	0.04	(0.08)
Net (loss) income (in dollars per share)	[1]	$ 0.07	$ (0.02)	$ (1.17)	$ 0.10
Business services
Revenue from contracts with customers		$ 550,954	$ 419,101	$ 1,524,323	$ 1,243,609
Revenue		550,954	419,101	1,524,323	1,243,609
Costs and expenses:
Cost of products and sales		482,965	338,519	1,311,941	1,003,483
Support services
Revenue from contracts with customers		117,519	126,274	353,320	382,578
Revenue		117,519	126,274	353,320	382,578
Costs and expenses:
Cost of products and sales		37,647	41,086	114,132	123,453
Financing
Revenue from contracts with customers		0	0	0	0
Revenue		86,218	90,577	260,758	280,039
Costs and expenses:
Cost of products and sales		11,626	11,026	36,054	33,433
Equipment sales
Revenue from contracts with customers		17,935	19,062	49,556	59,739
Revenue		79,572	89,618	213,682	264,956
Costs and expenses:
Cost of equipment sales		59,766	59,859	165,045	182,094
Supplies
Revenue from contracts with customers		39,635	44,818	118,117	142,261
Revenue		39,635	44,818	118,117	142,261
Costs and expenses:
Cost of products and sales		10,132	12,225	30,751	37,533
Rentals
Revenue from contracts with customers		0	0	0	0
Revenue		18,000	19,737	55,458	60,339
Costs and expenses:
Cost of products and sales		$ 6,055	$ 5,090	$ 18,455	$ 23,223

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