Consolidated Statements of Cash Flows - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Cash flows from operating activities:
Net income	$ 186.6	$ 205.8	$ 171.8
Net loss from discontinued operations	0.6	2.3	8.1
Adjustments to reconcile net income to net cash provided by operating activities:
Income from equity method investments	(13.4)	(13.8)	(12.2)
Dividends from affiliates	11.0	9.1	10.3
Restructuring expenses, net of cash paid	0.0	0.2	0.1
Goodwill impairment	5.5	0.0	0.0
Impairment of assets	44.5	0.0	0.0
Provision for bad debts	2.8	2.6	3.6
Unrealized losses on derivative contracts	0.8	0.3	0.3
Stock-based compensation expense	26.6	23.3	29.3
Depreciation and amortization	62.8	60.8	58.9
Deferred income taxes	(21.3)	6.1	3.5
Pension costs in excess of (less than) contributions	6.7	(8.0)	1.7
Other items, net	1.0	0.1	4.5
Changes in assets and liabilities, net of effects of acquisitions and divestitures:
Accounts and notes receivable	(23.5)	(32.6)	(49.0)
Inventories	28.8	(96.7)	(19.5)
Other current assets	(1.6)	(8.3)	(16.3)
Accounts payable	(2.9)	46.1	(10.9)
Accrued expenses	4.2	6.7	15.4
Income taxes payable and receivable	10.9	(15.9)	21.9
Other, net	1.7	(1.0)	4.4
Net cash used in discontinued operations	(0.6)	(2.3)	(15.6)
Net cash provided by operating activities	331.2	184.8	210.3
Cash flows from investing activities:
Proceeds from the disposal of property, plant and equipment	0.1	1.1	2.4
Purchases of property, plant and equipment	(69.9)	(88.4)	(78.3)
Net proceeds from sale of businesses	0.0	0.0	8.6
Net cash used in investing activities	(69.8)	(87.3)	(67.3)
Cash flows from financing activities:
Short-term borrowings, net	(1.7)	1.5	2.0
Asset securitization borrowings	40.0	100.0	330.0
Asset securitization payments	(60.0)	(40.0)	(200.0)
Term loan borrowings from credit facility	0.0	300.0	0.0
Long-term debt payments	(24.0)	(2.3)	(1.0)
Borrowings from credit facility	1,671.0	2,073.5	1,425.5
Payments on credit facility	(1,807.5)	(1,908.5)	(1,543.5)
Payments of deferred financing costs	0.0	(2.2)	0.0
Additional investment in subsidiary	0.0	0.0	(0.5)
Proceeds from employee stock purchases	2.4	2.0	1.8
Repurchases of common stock	0.0	(550.3)	(125.0)
Repurchases of common stock to satisfy employee withholding tax obligations	(32.0)	(22.4)	(12.0)
Excess tax benefits related to share-based payments	22.4	11.8	6.5
Cash dividends paid	(59.3)	(52.6)	(34.0)
Net cash used in financing activities	(248.7)	(89.5)	(150.2)
Increase (decrease) in cash and cash equivalents	12.7	8.0	(7.2)
Effect of exchange rates on cash and cash equivalents	(11.3)	(8.5)	(6.6)
Cash and cash equivalents, beginning of year	37.5	38.0	51.8
Cash and cash equivalents, end of year	38.9	37.5	38.0
Cash paid during the year for:
Interest, net	23.7	17.6	15.7
Income taxes (net of refunds)	$ 83.2	$ 105.3	$ 56.8