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CONDENSED CONSOLIDATED STATEMENT OF EQUITY (UNAUDITED) (USD $)
In Millions
Total
Common Stock [Member]
Capital in Excess of Par Value [Member]
Treasury Stock [Member]
Retained earnings [Member]
Accumulated other comprehensive (loss) income [Member]
Balance, Beginning at Dec. 31, 2010$ 625.7$ 8.6$ 77.3$ (41.5)$ 612.6$ (31.3)
Balance, Beginning (in shares) at Dec. 31, 2010 34.3 (1.0)  
Net income56.7   56.7 
Stock-based compensation6.8 6.8   
Shares issued under stock plans7.1 (11.3)18.4  
Shares issued under stock plans (in shares)   0.5  
Shares repurchased for employee tax withholdings(3.5)  (3.5)  
Shares repurchased for employee tax withholdings (in shares)   (0.1)  
Excess tax benefit from employee stock plans3.2 3.2   
Dividends declared(11.5)   (11.5) 
Other comprehensive income, net of tax6.8    6.8
Balance, Ending at Sep. 30, 2011$ 691.3$ 8.6$ 76.0$ (26.6)$ 657.8$ (24.5)
Balance, Ending (in shares) at Sep. 30, 2011 34.3 (0.6)