Summary of Significant Accounting Policies (Details) - USD ($) $ / shares in Units, $ in Millions		3 Months Ended								12 Months Ended
	Jan. 01, 2018	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
Summary of Significant Accounting Policies [Abstract]
Document Fiscal Year Focus										2018
Contract with Customer, Asset, Credit Loss Expense										$ 22.8	$ 54.9
Assets Held-for-sale, Not Part of Disposal Group		$ 81.5				$ 2.1				81.5	2.1
Liabilities Held-for-sale, Not Part of Disposal Group						33.2					33.2
Restricted Cash						8.0					8.0
Restricted Cash and Cash Equivalents		105.3				8.0				105.3	8.0
Effect of exchange rate changes on cash										(18.7)	37.9	$ (8.0)
Impairment of assets			$ (134.4)	$ (83.1)						(217.5)	(3.1)	(9.8)
Advertising expense										10.1	11.0	14.0
Research, development and engineering expense										$ 157.4	155.5	110.2
Cash equivalents, maturity period										3 months
Expected rate of return period										20 years
Curtailment gain										$ 0.0	0.0	3.3
Amortization of unrecognized net gain (loss)										5.00%
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		(159.6)				482.3				$ (159.6)	482.3	1,008.7	$ 428.0
Accounts Receivable, Related Parties		9.9								9.9
Accounts Payable, Related Parties		10.6								10.6
Equity in (loss) earnings of unconsolidated subsidiaries, net										(13.2)	6.3	0.4
Net sales		1,289.8	1,119.0	1,105.6	$ 1,064.2	1,249.9	$ 1,122.7	$ 1,133.9	$ 1,102.8	4,578.6	4,609.3	3,316.3
Cost of sales										3,687.7	3,609.5	2,604.6
Net loss		(127.5)	(244.6)	(128.3)	(65.6)	(102.7)	(32.6)	(24.1)	(54.5)	(566.0)	(213.9)	(35.6)
Restatement of Prior Year Income, Tax Effects			(0.5)	(0.2)	(0.2)	(0.5)	(0.4)	(0.2)	(0.4)
Restatement of Prior Year Income, Net of Tax			$ (25.9)	$ 5.1	$ (2.3)	$ (1.9)	$ (3.8)	$ (0.4)	$ (2.4)
Impact of Restatement on Earnings Per Share, Basic			$ (0.34)	$ 0.07	$ (0.03)	$ (0.03)	$ (0.05)	$ (0.01)	$ (0.03)
Trade receivables, net		737.2				$ 827.9				737.2	827.9
Inventories		610.1				714.5				610.1	714.5
Other current assets		306.8				247.5				306.8	247.5
Deferred revenue		378.2				436.5				378.2	436.5
Other current liabilities		446.9				531.4				446.9	531.4
Deferred Revenue, Revenue Recognized										332.5
Revenue, Remaining Performance Obligation, Amount		2,900.0								2,900.0
Deferred income taxes		221.6				287.1				221.6	287.1
Retained Earnings (Accumulated Deficit)		(168.3)				374.5				(168.3)	374.5
Pension Plan [Member]
Summary of Significant Accounting Policies [Abstract]
Curtailment gain										4.6
Accounting Standards Update 2017-12 [Member]
Summary of Significant Accounting Policies [Abstract]
Net sales										2.4
Cost of sales										0.6
Calculated under Revenue Guidance in Effect before Topic 606 [Member]
Summary of Significant Accounting Policies [Abstract]
Trade receivables, net		733.3								733.3
Inventories		634.3								634.3
Deferred revenue		408.9								408.9
Deferred income taxes		220.9								220.9
Retained Earnings (Accumulated Deficit)		(178.1)								(178.1)
Difference between Revenue Guidance in Effect before and after Topic 606 [Member]
Summary of Significant Accounting Policies [Abstract]
Net sales										18.2
Cost of sales										14.2
Net loss										(0.9)
Trade receivables, net		(3.9)								(3.9)
Inventories		24.2								24.2
Deferred revenue		30.7								30.7
Deferred income taxes		(0.7)								(0.7)
Retained Earnings (Accumulated Deficit)		(9.8)								(9.8)
Retained Earnings [Member]
Summary of Significant Accounting Policies [Abstract]
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest		(168.3)				374.5				(168.3)	374.5	646.6	$ 752.8
Net loss										(568.7)	(241.5)	(41.6)
Retained Earnings [Member] | Accounting Standards Update 2018-02 [Member]
Summary of Significant Accounting Policies [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Description	29.0
Retained Earnings [Member] | Accounting Standards Update 2014-09 [Member]
Summary of Significant Accounting Policies [Abstract]
New Accounting Pronouncement or Change in Accounting Principle, Description	4.6
Aisino JV [Domain]
Summary of Significant Accounting Policies [Abstract]
Equity in (loss) earnings of unconsolidated subsidiaries, net										19.2
Kony, Inc. [Member]
Summary of Significant Accounting Policies [Abstract]
Cost Method Investments		$ 14.0								$ 14.0
Inventory Error Correction [Member]
Summary of Significant Accounting Policies [Abstract]
Impact of Restatement on Opening Retained Earnings, Net of Tax												7.5
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest			$ (56.0)	$ (35.5)	$ (28.0)	(24.5)	$ (22.5)	$ (18.7)	$ (18.2)		(24.5)
Restatement of Prior Year Income, Tax Effects											(1.5)	(1.4)
Restatement of Prior Year Income, Net of Tax											$ (8.4)	$ (8.6)
Impact of Restatement on Earnings Per Share, Basic											$ (0.11)	$ (0.12)
Trade receivables, net			(2.3)	(2.3)	(2.3)	(2.2)	(2.1)	(2.0)	(2.0)		$ (2.2)
Inventories			(18.5)	(26.6)	(24.9)	(22.5)	(20.5)	(16.7)	(16.3)		(22.5)
Other current assets			(3.9)	(3.8)	(3.5)	(3.5)	(3.4)	(3.1)	(2.7)		(3.5)
Deferred revenue			(1.0)	(1.0)	(1.0)	(1.0)	(1.0)	(1.0)	(1.0)		(1.0)
Other current liabilities			(3.0)	(2.9)	(2.8)	(2.7)	(2.5)	(2.1)	(1.8)		(2.7)
Cost of sales - services | Inventory Error Correction [Member]
Summary of Significant Accounting Policies [Abstract]
Restatement of Prior Year Income, Gross			0.5	1.6	1.7	1.9	2.8	0.4	2.3		8.4	$ 8.0
Cost of sales - product | Inventory Error Correction [Member]
Summary of Significant Accounting Policies [Abstract]
Restatement of Prior Year Income, Gross			$ 0.8	$ 0.4	$ 0.8	$ 0.4	$ 0.4	$ 0.3	$ 0.4		$ 1.5	$ 2.0
Inspur (Suzhou) Financial Technology Service Co Ltd [Member]
Summary of Significant Accounting Policies [Abstract]
Equity Method Investment, Ownership Percentage		40.00%								40.00%
Aisino-Wincor Retail And Banking Systems (Shanghai) Co.,Ltd [Member]
Summary of Significant Accounting Policies [Abstract]
Equity Method Investment, Ownership Percentage		43.60%								43.60%