Quarterly report pursuant to Section 13 or 15(d)

Earnings per Common Share (Details)

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Earnings per Common Share (Details) (USD $)
In Millions, except Per Share data, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 29, 2012
Oct. 01, 2011
Sep. 29, 2012
Oct. 01, 2011
Earnings Per Share [Abstract]        
Net earnings $ 2.0 $ 4.7 $ 125.3 $ 101.5
Weighted average outstanding shares - basic (in shares) 89.8 89.4 89.7 89.3
Dilutive effect of common stock equivalents (in shares) 2.7 2.4 2.6 3.0
Weighted average outstanding shares - diluted (in shares) 92.5 91.8 92.3 92.3
Basic earnings per common share (in dollars per share) $ 0.02 $ 0.05 $ 1.40 $ 1.14
Diluted earnings per common share (in dollars per share) $ 0.02 $ 0.05 $ 1.36 $ 1.10
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in shares) 8.4 9.4 8.4 9.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in shares) 5.7 4.8 5.7 4.8
Anti-dilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 2.2 4.7 2.3 2.9