Condensed Consolidated Statements of Income (Loss) - USD ($) $ in Thousands		3 Months Ended		6 Months Ended
		Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2020	Jun. 30, 2019
Revenue		$ 837,492	$ 788,573	$ 1,633,760	$ 1,583,657
Costs and expenses:
Selling, general and administrative		233,631	241,467	482,264	503,136
Research and development		7,467	13,572	19,583	26,149
Restructuring charges and asset impairments		4,922	5,899	8,739	9,599
Goodwill impairment		0	0	198,169	0
Interest expense, net		26,446	28,019	52,329	55,621
Other components of net pension and postretirement cost (income)		386	(1,618)	235	(2,256)
Other (income) expense		(17,375)	(27)	16,112	17,683
Total costs and expenses		820,773	755,539	1,845,618	1,545,346
Income (loss) from continuing operations before taxes		16,719	33,034	(211,858)	38,311
Provision for income taxes		17,016	3,724	6,986	11,544
(Loss) income from continuing operations		(297)	29,310	(218,844)	26,767
(Loss) income from discontinued operations, net of tax		(3,032)	(5,613)	7,032	(5,729)
Net (loss) income		$ (3,329)	$ 23,697	$ (211,812)	$ 21,038
Basic earnings (loss) per share:
Continuing operations (in dollars per share)	[1]	$ 0	$ 0.17	$ (1.28)	$ 0.15
Discontinued operations (in dollars per share)	[1]	(0.02)	(0.03)	0.04	(0.03)
Net (loss) income (in dollars per share)	[1]	(0.02)	0.13	(1.24)	0.12
Diluted earnings (loss) per share:
Continuing operations (in dollars per share)	[1]	0	0.16	(1.28)	0.15
Discontinued operations (in dollars per share)	[1]	(0.02)	(0.03)	0.04	(0.03)
Net (loss) income (in dollars per share)	[1]	$ (0.02)	$ 0.13	$ (1.24)	$ 0.12
Business services
Revenue from contracts with customers		$ 528,990	$ 417,963	$ 973,369	$ 824,508
Revenue		528,990	417,963	973,369	824,508
Costs and expenses:
Cost of products and sales		454,311	337,918	828,976	664,964
Support services
Revenue from contracts with customers		113,786	127,705	235,801	256,304
Revenue		113,786	127,705	235,801	256,304
Costs and expenses:
Cost of products and sales		36,725	40,520	76,485	82,367
Financing
Revenue from contracts with customers		0	0	0	0
Revenue		85,462	92,419	174,540	189,462
Costs and expenses:
Cost of products and sales		11,939	11,043	24,428	22,407
Equipment sales
Revenue from contracts with customers		14,492	19,384	31,621	40,677
Revenue		57,837	85,551	134,110	175,338
Costs and expenses:
Cost of equipment sales		47,920	58,570	105,279	122,235
Supplies
Revenue from contracts with customers		32,773	46,490	78,482	97,443
Revenue		32,773	46,490	78,482	97,443
Costs and expenses:
Cost of products and sales		8,379	11,758	20,619	25,308
Rentals
Revenue from contracts with customers		0	0	0	0
Revenue		18,644	18,445	37,458	40,602
Costs and expenses:
Cost of products and sales		$ 6,022	$ 8,418	$ 12,400	$ 18,133

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