Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017
Cash Flows from Operating Activities
Net loss	$ (58.1)	$ (82.3)
Adjustments to reconcile net loss to net cash (used) provided by operating activities:
Depreciation	41.6	41.7
Amortization	13.8	15.0
Provision for doubtful accounts	86.2	113.0
Provision for obsolescence	13.3	16.5
Share-based compensation	7.5	16.2
Foreign exchange losses	13.5	8.5
Deferred income taxes	(0.2)	12.0
Other	3.2	16.1
Changes in assets and liabilities:
Accounts receivable	(50.0)	(92.0)
Inventories	(99.7)	(36.1)
Prepaid expenses and other	1.7	14.2
Accounts payable and accrued liabilities	(76.6)	(53.2)
Income and other taxes	(0.3)	(5.0)
Noncurrent assets and liabilities	(2.6)	26.6
Net cash (used) provided by operating activities of continuing operations	(106.7)	11.2
Cash Flows from Investing Activities
Capital expenditures	(48.0)	(43.0)
Disposal of assets	1.4	2.7
Other investing activities	(3.3)	(0.1)
Net cash used by investing activities of continuing operations	(49.9)	(40.4)
Cash Flows from Financing Activities
Debt, net (maturities of three months or less)	(10.4)	(4.4)
Repayment of debt	(238.6)	(2.0)
Repurchase of common stock	(3.2)	(6.4)
Other financing activities	(0.1)	(0.2)
Net cash used by financing activities of continuing operations	(252.3)	(13.0)
Cash Flows from Discontinued Operations
Net cash used by operating activities of discontinued operations	0.0	(6.4)
Net cash used by discontinued operations	0.0	(6.4)
Effect of exchange rate changes on cash and cash equivalents	(28.7)	28.0
Net decrease in cash and cash equivalents	(437.6)	(20.6)
Cash and cash equivalents at beginning of year	881.5	654.4
Cash and cash equivalents at end of period	$ 443.9	$ 633.8