Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Cash flow from operating activities:
Net loss	$ (267.8)	$ (344.6)	$ (528.7)
Adjustments to reconcile net loss to cash provided (used) by operating activities:
Depreciation	73.7	82.2	94.5
Cost, Amortization	23.8	28.9	26.3
AmortizationAcquiredIntangibleAssets	82.9	93.2	113.4
Amortization of Debt Issuance Costs	45.4	21.8	13.7
Share-based compensation	14.9	24.0	36.6
Debt prepayment costs	67.2	0.0	0.0
Impairment of assets	7.5	30.2	180.2
Deferred income taxes	(27.1)	54.2	(59.6)
Inventory Write-down	0.0	23.8	74.5
Other Noncash Income (Expense)	(12.3)	(1.0)	(2.8)
Gain (Loss) on Disposition of Assets	(11.5)	(7.6)	6.7
Changes in certain assets and liabilities
Trade receivables	(19.7)	111.5	51.0
Inventories	(14.8)	104.9	(5.1)
Accounts payable	10.6	(33.1)	(34.5)
Deferred revenue	20.2	(54.9)	(42.4)
Increase (Decrease) in Employee Related Liabilities	(1.3)	38.6	(9.3)
Income taxes	(23.1)	0.9	(1.7)
Restructuring	18.0	(13.5)	4.2
Warranty liability	(5.6)	(3.4)	(33.1)
Certain other assets and liabilities	14.0	(35.5)	25.4
Net cash provided (used) by operating activities	18.0	135.8	(104.1)
Cash flow from investing activities:
Payments for acquisitions	0.0	0.0	(5.9)
Proceeds from Divestiture of Businesses, Net of Cash Divested	(37.0)	29.9	11.1
Proceeds from Life Insurance Policy	15.6	0.0	0.0
Proceeds from maturities of investments	214.6	241.7	317.8
Payments for purchases of investments	(241.3)	(222.2)	(200.2)
Proceeds from Sale of Productive Assets	10.2	0.0	0.0
Capital expenditures	(27.5)	(42.9)	(58.5)
Payments to Develop Software	(17.2)	(23.1)	(29.8)
Payments for (Proceeds from) Other Investing Activities	0.0	9.8	(0.1)
Net cash provided (used) by investing activities	(82.6)	(6.8)	34.4
Cash flow from financing activities:
Dividends paid	0.0	0.0	(7.7)
Debt issuance costs	(26.4)	(12.6)	(39.4)
Payment for Debt Extinguishment or Debt Prepayment Cost	(67.2)	0.0	0.0
Revolving credit facility borrowings (repayments), net	60.1	(125.0)	50.0
Other debt borrowings	1,107.8	397.8	725.9
Other debt repayments	(1,049.9)	(375.7)	(337.7)
Distributions to noncontrolling interest holders	(0.9)	(98.1)	(377.2)
Issuance of common shares		0.0
Other	(6.6)	(1.9)	(3.0)
Net cash provided (used) by financing activities	16.9	(215.5)	10.9
Effect of exchange rate changes on cash and cash equivalents	(3.2)	(1.1)	(18.7)
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect	(50.9)	(87.6)	(77.5)
Add: Cash included in assets held for sale at beginning of year	97.2	7.3	0.0
Less: Cash included in assets held for sale at end of year	2.7	97.2	7.3
Cash, cash equivalents and restricted cash at the beginning of the year	280.9	458.4	543.2
Cash, cash equivalents and restricted cash at the end of the year	324.5	280.9	458.4
Cash paid for
Income taxes	43.8	41.8	64.9
Interest	$ 138.1	$ 189.7	$ 129.6