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 6 Months Ended
Jun. 30, 2012
Jul. 02, 2011
Jun. 30, 2012
Jul. 02, 2011
Earnings Per Share [Abstract]        
Net earnings $ 83.6 $ 69.3 $ 123.3 $ 96.8
Weighted average outstanding shares - basic (in shares) 89.7 89.3 89.6 89.3
Dilutive effect of common stock equivalents (in shares) 2.7 3.3 2.7 3.2
Weighted average outstanding shares - diluted (in shares) 92.4 92.6 92.3 92.5
Basic earnings (loss) per common share (in dollars per share) $ 0.93 $ 0.78 $ 1.38 $ 1.08
Diluted earnings (loss) per common share (in dollars per share) $ 0.90 $ 0.75 $ 1.34 $ 1.05
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number (in shares) 8.8 9.4 8.8 9.4
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number (in shares) 6.0 4.9 6.0 4.9
Anti-dilutive Securities Excluded from Computation of Earnings Per Share, Amount (in shares) 2.3 3.0 2.3 2.8