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Note 5 - Earnings Per Share (Details) - Common Stock Reconciliation of Basic and Diluted Earnings Per Share (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 30, 2014	Mar. 31, 2013
Common Stock Reconciliation of Basic and Diluted Earnings Per Share [Abstract]
Net Earnings	$ 2.5	$ 12.9
Less: Earnings allocated to participating securities	(0.1)	(0.3)
Net Earnings available to common shareholders	$ 2.4	$ 12.6
Basic earnings per share on common stock (in Dollars per share)	$ 0.07	$ 0.34
Diluted earnings per share on common stock (in Dollars per share)	$ 0.07	$ 0.34
Average common shares outstanding (millions)
Basic (in Shares)	37.4	37.2
Diluted (in Shares)	37.4	37.2

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Net earnings after earnings distributed and allocated to particating securities under the two-class method.

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The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.

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