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Consolidated Statement Of Stockholders' Equity (USD $)
In Millions
Common Stock [Member]
Additional Paid-In Capital [Member]
Treasury Stock [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Loss [Member]
Total
Balance at Dec. 31, 2010 $ 0.3 $ 286.3 $ (64.8) $ 210.5 $ (131.6) $ 300.7
Net income       46.1   46.1
Changes in cumulative translation adjustment         (3.5) (3.5)
Changes in unrealized (losses)/gains on derivative instruments, net of tax         0 0
Treasury stock re-issued   (2.0) 2.4     0.4
Treasury stock repurchased     (4.1)     (4.1)
Stock option compensation   1.6       1.6
Amortization of actuarial net losses, net of tax         0.1 0.1
Amortization of prior service credit, net of tax         (0.5) (0.5)
Balance at Jun. 30, 2011 $ 0.3 $ 285.9 $ (66.5) $ 256.6 $ (135.5) $ 340.8