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Earnings per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified | 0 Months Ended | 1 Months Ended | 3 Months Ended | 9 Months Ended |
--- | --- | --- | --- | --- | ---
Apr. 30, 2013 | Jul. 31, 2012 | Sep. 29, 2013 | Sep. 30, 2012 | Sep. 29, 2013 | Sep. 30, 2012 | May 16, 2012
Net Income |  |  |  |  |  |  |
Continuing operations |  |  | $ 17.5 | $ 18.3 | $ 52.7 | $ 52.2 |
Discontinued operations |  |  | (2.1) | 0.4 | (2.3) | 0.7 |
NET INCOME |  |  | 15.4 | 18.7 | 50.4 | 52.9 |
Shares |  |  |  |  |  |  |
Shares |  |  | 35,400,000 | 35,100,000 | 35,500,000 | 36,100,000 |
Per Share Amount |  |  |  |  |  |  |
Continuing operations (in dollars per share) |  |  | $ 0.49 | $ 0.52 | $ 1.48 | $ 1.44 |
Discontinued operations (in dollars per share) |  |  | $ (0.06) | $ 0.01 | $ (0.06) | $ 0.02 |
NET INCOME (in dollars per share) |  |  | $ 0.43 | $ 0.53 | $ 1.42 | $ 1.46 |
Dilutive securities, principally common stock options |  |  |  |  |  |  |
Common stock equivalents |  |  | 200,000 | 100,000 | 100,000 | 200,000 |
Net Income |  |  |  |  |  |  |
Continuing operations |  |  | 17.5 | 18.3 | 52.7 | 52.2 |
(Loss) income from discontinued operations, net of tax |  |  | (2.1) | 0.4 | (2.3) | 0.7 |
Net income |  |  | 15.4 | 18.7 | 50.4 | 52.9 |
Weighted average number of shares: |  |  |  |  |  |  |
Weighted average number of shares |  |  | 35,600,000 | 35,200,000 | 35,600,000 | 36,300,000 |
Per Share Amount |  |  |  |  |  |  |
Continuing operations (in dollars per share) |  |  | $ 0.49 | $ 0.52 | $ 1.48 | $ 1.44 |
Discontinued operations (in dollars per share) |  |  | $ (0.06) | $ 0.01 | $ (0.07) | $ 0.02 |
Net income (in dollars per share) |  |  | $ 0.43 | $ 0.53 | $ 1.41 | $ 1.46 |
Securities not included in the computation of diluted EPS |  |  |  |  |  |  |
Options to purchase shares of Class A common stock |  |  | 200,000 | 300,000 | 300,000 | 300,000 |
Options to purchase shares of Class A common stock | 90 |  |  |  |  |  |
Number of shares of Class A common stock repurchased |  | 2,000,000 | 189,000 |  | 402,000 |  |
Cost of shares of Class A common stock repurchased |  | $ 65.8 | $ 10.0 |  | $ 20.0 |  |
Number of shares of the entity's Class A common stock authorized to be repurchased |  |  |  |  |  |  | 2,000,000

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