Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenue:
Equipment sales	$ 155,808	$ 162,974
Supplies	65,374	66,818
Software	81,616	77,867
Rentals	95,280	99,870
Financing	80,103	85,745
Support services	118,463	118,847
Business services	386,538	224,519
Total Consolidated Revenue	983,182	836,640
Costs and expenses:
Cost of equipment sales	78,751	69,562
Cost of supplies	21,147	21,471
Cost of software	25,353	25,308
Cost of rentals	24,596	20,662
Financing interest expense	12,225	12,974
Cost of support services	75,572	73,354
Cost of business services	297,399	150,843
Selling, general and administrative	312,108	304,847
Research and development	32,784	31,856
Restructuring charges, net	1,021	2,082
Other components of net pension and postretirement cost	(1,719)	1,456
Interest expense, net	30,853	25,676
Total costs and expenses	910,090	740,091
Income before income taxes	73,092	96,549
Provision for income taxes	19,579	31,416
Net income	$ 53,513	$ 65,133
Earnings per share attributable to common stockholders:
Basic (in dollars per share)	$ 0.29	$ 0.35
Diluted (in dollars per share)	0.28	0.35
Dividends declared per share of common stock (in dollars per share)	$ 0.1875	$ 0.1875