Earnings per Share (Reconciliations Between Basic and Diluted Loss Per Share) (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 28, 2013	Sep. 29, 2012	Sep. 28, 2013	Sep. 29, 2012
Earnings Per Share [Abstract]
Net earnings	$ 4.2	$ 4.7	$ 0.6	$ 22.0
Weighted average common shares outstanding (in shares)	15,386,600	15,152,779	15,361,118	15,138,895
Dilutive effect of common share equivalents (in shares)	462,376	352,794	493,785	328,529
Dilutive shares outstanding (in shares)	15,848,976	15,505,573	15,854,903	15,467,424
Basic earnings per share	$ 0.27	$ 0.31	$ 0.04	$ 1.45
Diluted earnings per share	$ 0.27	$ 0.30	$ 0.04	$ 1.42