Condensed Consolidated Statements of Cash Flows - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Cash flows from operating activities:
Net income	$ 59.6	$ 135.5
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation	111.9	108.2
Deferred debt issuance cost amortization	0.7	1.2
Amortization expense	22.4	21.4
Stock compensation expense	11.4	7.1
Proceeds from termination of hedging instrument	7.3	0.0
Equity in net earnings of affiliates, net of cash received	(9.1)	(22.9)
Deferred income tax provision	14.6	(3.0)
Other	(0.3)	(0.2)
Changes in operating assets and liabilities, net of effects from purchase of businesses:
Accounts and notes receivable, net	(61.1)	(147.4)
Inventories, net	(263.3)	(170.9)
Other current and noncurrent assets	(34.3)	(33.1)
Accounts payable	80.6	149.5
Accrued expenses	0.3	(17.4)
Other current and noncurrent liabilities	(5.3)	0.0
Total adjustments	(124.2)	(107.5)
Net cash (used in) provided by operating activities	(64.6)	28.0
Cash flows from investing activities:
Purchases of property, plant and equipment	(72.0)	(101.3)
Proceeds from sale of property, plant and equipment	0.9	0.8
Purchase of businesses, net of cash acquired	(38.8)	(18.6)
Investment in consolidated affiliates, net of cash acquired	(11.8)	0.0
Investment in unconsolidated affiliates	0.0	(5.2)
Restricted cash	0.4	0.0
Net cash used in investing activities	(121.3)	(124.3)
Cash flows from financing activities:
Proceeds from debt obligations, net	214.1	432.9
Purchases and retirement of common stock	(120.0)	(125.0)
Payment of dividends to stockholders	(21.6)	(21.3)
Payment of minimum tax withholdings on stock compensation	(1.8)	(6.0)
Payment of debt issuance costs	(0.5)	(0.7)
Net cash provided by financing activities	70.2	279.9
Effects of exchange rate changes on cash and cash equivalents	13.7	(49.1)
(Decrease) increase in cash and cash equivalents	(102.0)	134.5
Cash and cash equivalents, beginning of period	426.7	363.7
Cash and cash equivalents, end of period	$ 324.7	$ 498.2