Condensed Consolidated Statements of Cash Flow (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash Flow From Operating Activities
Net Income	$ 107.7	$ 95.8
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation expense	15.8	12.8
Amortization expense	7.8	6.4
Deferred income taxes	2.8	1.5
Equity in earnings of affiliates	(0.6)	(2.5)
Distributions from unconsolidated affiliates	2.1	2.3
Non cash compensation expense	1.7	1.5
Other	0.3	(0.4)
Change in assets and liabilities:
Accounts receivable	(30.9)	(4.7)
Inventories	(14.7)	(11.3)
Other current assets	(4.0)	(1.1)
Accounts payable and accrued expenses	(13.4)	(8.1)
Income taxes payable	2.6	32.4
Excess tax benefit on stock options exercised	(3.5)	(4.2)
Other operating assets and liabilities, net	(1.4)	(6.5)
Net Cash Provided By Operating Activities	72.3	113.9
Cash Flow From Investing Activities
Additions to property, plant and equipment	(10.4)	(15.1)
Investment interest in joint venture	(3.2)	(3.0)
Investment in marketable securities	(19.7)	0
Other	0	(0.4)
Net Cash Used In Investing Activities	(33.3)	(18.5)
Cash Flow From Financing Activities
Short-term debt repayments	(50.0)	(2.5)
Proceeds from stock options exercised	5.8	5.4
Excess tax benefit on stock options exercised	3.5	4.2
Payment of cash dividends	(38.6)	(34.2)
Purchase of treasury stock	(50.3)	(90.3)
Lease incentive proceeds	10.7	0
Net Cash Used In Financing Activities	(118.9)	(117.4)
Effect of exchange rate changes on cash and cash equivalents	(3.5)	3.0
Net Change In Cash and Cash Equivalents	(83.4)	(19.0)
Cash and Cash Equivalents at Beginning of Period	343.0	251.4
Cash and Cash Equivalents at End of Period	259.6	232.4
Cash paid during the year for:
Interest (net of amounts capitalized)	1.5	0
Income taxes	50.2	18.7
Supplemental disclosure of non-cash investing activities:
Property, plant and equipment expenditures included in Accounts Payable	2.2	5.5
Property, plant and equipment expenditures included in other long-term liabilities (related to leasing obligations for new corporate headquarters facility)	$ 0	$ 9.3