Condensed Consolidated Statements of Loss - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2021		Mar. 31, 2020
Revenue	$ 915,197		$ 796,268
Costs and expenses:
Selling, general and administrative	238,102		248,633
Research and development	11,316		12,116
Restructuring charges	2,889		3,817
Goodwill impairment	0		198,169
Interest expense, net	25,158		25,883
Other components of net pension and postretirement expense (income)	350		(151)
Other expense, net	51,394		33,487
Total costs and expenses	956,844		1,024,845
Loss from continuing operations before taxes	(41,647)		(228,577)
Benefit for income taxes	(13,992)		(10,030)
Loss from continuing operations	(27,655)		(218,547)
(Loss) income from discontinued operations, net of tax	(3,886)		10,064
Net loss	$ (31,541)		$ (208,483)
Basic earnings (loss) per share:
Continuing operations (in dollars per share)	$ (0.16)		$ (1.28)
Discontinued operations (in dollars per share)	(0.02)		0.06
Net (loss) income (in dollars per share)	(0.18)	[1]	(1.22)
Diluted earnings (loss) per share:
Continuing operations (in dollars per share)	(0.16)		(1.28)
Discontinued operations (in dollars per share)	(0.02)		0.06
Net (loss) income (in dollars per share)	$ (0.18)		$ (1.22)
Business services
Revenue from contracts with customers	$ 570,454		$ 444,379
Revenue	570,454		444,379
Costs and expenses:
Cost of products and sales	499,534		374,665
Support services
Revenue from contracts with customers	118,697		122,015
Revenue	118,697		122,015
Costs and expenses:
Cost of products and sales	36,717		39,760
Financing
Revenue from contracts with customers	0		0
Revenue	77,812		89,078
Costs and expenses:
Cost of products and sales	11,886		12,489
Equipment sales
Revenue from contracts with customers	19,118		17,130
Revenue	86,803		76,273
Costs and expenses:
Cost of equipment sales	61,840		57,359
Supplies
Revenue from contracts with customers	42,224		45,709
Revenue	42,224		45,709
Costs and expenses:
Cost of products and sales	11,211		12,240
Rentals
Revenue from contracts with customers	0		0
Revenue	19,207		18,814
Costs and expenses:
Cost of products and sales	$ 6,447		$ 6,378

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