Consolidated Statements of Stockholders' Equity (USD $) In Millions, except Share data, unless otherwise specified	Total	Common Stock Issued [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Treasury Stock at Cost [Member]
Beginning Balance at Dec. 31, 2009	$ 604.4	$ 0.9	$ 839.1	$ 558.6	$ (0.8)	$ (793.4)
Beginning balance, Treasury shares at Dec. 31, 2009						29,300,000
Beginning balance, shares at Dec. 31, 2009		85,600,000
Stockholders' Equity [Roll Forward]
Net income	116.2	0	0	116.2	0	0
Dividends, ($0.60, $0.72, $0.76 per share in 2010, 2011, 2012 respectively)	(32.6)	0	0	(32.6)	0	0
Foreign currency translation adjustments, net	28.2	0	0	0	28.2	0
Pension and postretirement liability changes, net of tax benefit of $8.7, $13.5, $2.7 in 2010, 2011, 2012 respectively	(13.3)	0	0	0	(13.3)	0
Change in fair value of available-for-sale marketable equity securities changes	12.5	0	0	0	12.5	0
Stock-based compensation expense	15.4	0	15.4	0	0	0
Derivatives, net of tax provision of $2.1, $9.5, $4.8 in 2010, 2011, 2012 respectively	3.6	0	0	0	3.6	0
Common stock issued	3.5	0	3.5	0	0	0
Common stock issued, shares		900,000
Treasury stock purchases	(153.7)	0	0	0	0	(153.7)
Treasury stock purchases, shares						3,500,000
Tax benefits of stock-based compensation	5.5	0	5.5	0	0	0
Ending Balance at Dec. 31, 2010	589.7	0.9	863.5	642.2	30.2	(947.1)
Ending balance, Treasury shares at Dec. 31, 2010						32,800,000
Ending balance, shares at Dec. 31, 2010		86,500,000
Stockholders' Equity [Roll Forward]
Net income	88.3	0	0	88.3	0	0
Dividends, ($0.60, $0.72, $0.76 per share in 2010, 2011, 2012 respectively)	(37.6)	0	0	(37.6)	0	0
Foreign currency translation adjustments, net	(17.7)	0	0	0	(17.7)	0
Pension and postretirement liability changes, net of tax benefit of $8.7, $13.5, $2.7 in 2010, 2011, 2012 respectively	(24.3)	0	0	0	(24.3)	0
Change in fair value of available-for-sale marketable equity securities changes	(8.6)	0	0	0	(8.6)	0
Stock-based compensation expense	13.7	0	13.7	0	0	0
Derivatives, net of tax provision of $2.1, $9.5, $4.8 in 2010, 2011, 2012 respectively	(16.7)	0	0	0	(16.7)	0
Common stock issued	2.5	0	2.5	0	0	0
Common stock issued, shares		400,000
Treasury stock purchases	(123.0)	0	0	0	0	(123.0)
Treasury stock purchases, shares						3,300,000
Tax benefits of stock-based compensation	1.5	0	1.5	0	0	0
Ending Balance at Dec. 31, 2011	467.8	0.9	881.2	692.9	(37.1)	(1,070.1)
Ending balance, Treasury shares at Dec. 31, 2011	36,093,966					36,100,000
Ending balance, shares at Dec. 31, 2011		86,900,000
Stockholders' Equity [Roll Forward]
Net income	90.0	0	0	90.0	0	0
Dividends, ($0.60, $0.72, $0.76 per share in 2010, 2011, 2012 respectively)	(38.5)	0	0	(38.5)	0	0
Foreign currency translation adjustments, net	11.1	0	0	0	11.1	0
Pension and postretirement liability changes, net of tax benefit of $8.7, $13.5, $2.7 in 2010, 2011, 2012 respectively	(6.5)	0	0	0	(6.5)	0
Change in fair value of available-for-sale marketable equity securities changes	1.9	0	0	0	1.9	0
Stock-based compensation expense	16.3	0	16.3	0	0	0
Derivatives, net of tax provision of $2.1, $9.5, $4.8 in 2010, 2011, 2012 respectively	8.3	0	0	0	8.3	0
Common stock issued	0.2	0	0.2	0	0	0
Common stock issued, shares		300,000
Treasury stock purchases	(57.3)	0	(2.9)	0	0	(54.4)
Treasury stock purchases, shares						800,000
Tax benefits of stock-based compensation	3.5	0	3.5	0	0	0
Ending Balance at Dec. 31, 2012	$ 496.8	$ 0.9	$ 898.3	$ 744.4	$ (22.3)	$ (1,124.5)
Ending balance, Treasury shares at Dec. 31, 2012	36,937,632					36,900,000
Ending balance, shares at Dec. 31, 2012		87,200,000