Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Statement of Cash Flows [Abstract]
Document Period End Date	Mar. 31, 2017
Cash flow from operating activities:
Net income (loss)	$ (52.2)	$ 168.5
Income (loss) from discontinued operations, net of tax	0.0	147.8
Income (loss) from continuing operations, net of tax	(52.2)	20.7
Adjustments to reconcile net income (loss) to cash flow used by operating activities:
Depreciation and amortization	58.6	15.0
Share-based compensation	6.8	5.6
Excess tax benefits from share-based compensation	(0.1)	0.0
(Gain) loss on sale of assets, net	(0.4)	0.4
Impairment of assets	3.1	0.0
Equity in earnings of investees	0.8	0.0
Gain on foreign currency option and forward contracts, net	0.0	(36.5)
Changes in certain assets and liabilities
Trade receivables	(36.8)	(36.6)
Inventories	(16.9)	(31.9)
Prepaid expenses	(2.6)	0.1
Prepaid income taxes	(37.2)	(13.3)
Other current assets	(28.6)	(9.7)
Accounts payable	(22.4)	(37.3)
Deferred revenue	82.0	3.8
Deferred income taxes	(8.7)	4.6
Certain other assets and liabilities	(11.8)	5.2
Net cash used by operating activities - continuing operations	(66.4)	(109.9)
Net cash used by operating activities - discontinued operations	0.0	(5.3)
Net cash used by operating activities	(66.4)	(115.2)
Cash flow from investing activities:
Proceeds from maturities of investments	84.9	35.1
Payments for purchases of investments	(95.1)	(39.5)
Proceeds from sale of assets	2.0	0.2
Capital expenditures	(12.1)	(4.7)
Increase in certain other assets	(8.7)	(4.9)
Net cash used by investing activities - continuing operations	(29.0)	(13.8)
Net cash provided by investing activities - discontinued operations	0.0	365.1
Net cash provided (used) by investing activities	(29.0)	351.3
Cash flow from financing activities:
Dividends paid	(7.6)	(18.8)
Debt issuance costs	0.0	(0.8)
Restricted cash, net	0.0	(116.1)
Revolving credit facility borrowings (repayments), net	20.0	73.1
Other debt borrowings	19.1	17.3
Other debt repayments	(84.0)	(198.0)
Distributions and payments to noncontrolling interest holders	(15.7)	(2.0)
Excess tax benefits from share-based compensation	0.1	0.0
Issuance of common shares	0.3	0.0
Repurchase of common shares	(4.6)	(1.7)
Net cash used by financing activities	(72.4)	(247.0)
Effect of exchange rate changes on cash and cash equivalents	5.2	3.4
Increase (decrease) in cash and cash equivalents	(162.6)	(7.5)
Add: Cash overdraft included in assets held for sale at beginning of period	0.0	(1.5)
Cash and cash equivalents at the beginning of the period	652.7	313.6
Cash and cash equivalents at the end of the period	$ 490.1	$ 304.6