Segment Information - (Details) - USD ($) $ in Millions		3 Months Ended
		Mar. 31, 2017	Mar. 31, 2016
Segment Reporting Information [Line Items]
Document Period End Date		Mar. 31, 2017
Summary of Segment Information
Net sales		$ 1,102.8	$ 509.6
Operating profit (loss)		(48.6)	(5.7)
Restructuring charges		(12.9)	(0.4)
Other expense		(26.2)	25.6
Income (loss) from continuing operations before taxes		(74.8)	19.9
Depreciation and amortization expense		58.6	15.0
Services and software		683.6	341.1
Systems		419.2	168.5
Operating Segments [Member]
Summary of Segment Information
Operating profit (loss)		82.6	38.8
Operating Segments [Member] | Services Segment [Member]
Summary of Segment Information
Net sales		573.2	318.7
Operating profit (loss)		81.2	64.0
Operating Segments [Member] | Software Segment [Member]
Summary of Segment Information
Net sales		110.4	22.4
Operating profit (loss)		5.3	(8.3)
Operating Segments [Member] | Systems Segment [Member]
Summary of Segment Information
Net sales		419.2	168.5
Operating profit (loss)		(3.9)	(16.9)
Corporate and Reconciling Items [Member]
Summary of Segment Information
Operating profit (loss)		(131.2)	(44.5)
Corporate, Non-Segment [Member]
Summary of Segment Information
Operating profit (loss)	[1]	(40.9)	(30.0)
Segment Reconciling Items [Member]
Summary of Segment Information
Restructuring charges		(12.9)	(0.4)
Net non-routine expense		$ (77.4)	$ (14.1)

[1] Corporate charges not allocated to segments include headquarter-based costs associated with procurement, human resources, compensation and benefits, finance and accounting, global development/engineering, global strategy/mergers and acquisitions, global information technology, tax, treasury and legal.