Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2015	Jun. 30, 2014
Operating activities:
Net income	$ 22.4	$ 52.1
Adjustment to reconcile net income to cash provided by operating activities:
Depreciation and amortization	150.1	152.9
Amortization of financing costs and original issue discount	10.2	10.3
Debt modification costs	0.0	3.1
Deferred income taxes	(7.1)	(14.1)
Unrealized loss on derivatives	1.3	3.8
Realized and unrealized foreign exchange (gains)/losses, net	66.5	(19.2)
Stock-based compensation	14.2	3.8
Asset impairment	30.6	0.0
Other non-cash, net	2.3	(7.5)
Decrease (increase) in operating assets and liabilities:
Trade accounts and notes receivable	(124.9)	(112.3)
Inventories	(41.1)	(24.3)
Prepaid expenses and other assets	(46.0)	(41.4)
Accounts payable	(16.2)	59.5
Other accrued liabilities	(42.0)	(47.6)
Other liabilities	(15.3)	(5.4)
Cash provided by operating activities	5.0	13.7
Investing activities:
Acquisition of controlling interest in investment affiliate (net of cash acquired)	(3.1)	0.0
Purchase of property, plant and equipment	(56.6)	(100.8)
Restricted cash	1.9	(1.9)
Proceeds from sale of affiliate	2.3	0.0
Investment in equity affiliate	(1.6)	0.0
Other investing activities	0.2	(0.1)
Cash used for investing activities	(56.9)	(102.8)
Financing activities:
Proceeds from short-term borrowings	3.1	16.7
Payments on short-term borrowings	13.7	17.2
Payments on long-term debt	(13.6)	(7.1)
Dividends paid to noncontrolling interests	(4.1)	(1.6)
Debt modification fees	0.0	(3.0)
Proceeds from option exercises	45.2	0.0
Tax windfall due to option exercises	6.7	0.0
Other financing activities	(0.2)	0.0
Cash provided by (used for) financing activities	23.4	(12.2)
Decrease in cash and cash equivalents	(28.5)	(101.3)
Effect of exchange rate changes on cash	(45.8)	(7.7)
Cash and cash equivalents at beginning of period	382.1	459.3
Cash and cash equivalents at end of period	$ 307.8	$ 350.3