Earnings (Loss) per Share - Reconciliations Between Basic and Diluted Loss Per Share (Details) (USD $) In Millions, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Jun. 28, 2014	Jun. 29, 2013	Jun. 28, 2014	Jun. 29, 2013
Earnings Per Share [Abstract]
Net loss	$ (46.2)	$ 11.5	$ (54.8)	$ (3.6)
Weighted average common shares outstanding (in shares)	15,557,173	15,364,679	15,527,173	15,348,228
Dilutive effect of common share equivalents (in shares)	0	485,188	0	0
Dilutive shares outstanding (in shares)	15,557,173	15,849,867	15,527,173	15,348,228
Basic (loss) earnings per share (in dollars per share)	$ (2.97)	$ 0.75	$ (3.53)	$ (0.23)
Diluted (loss) earnings per share (in dollars per share)	$ (2.97)	$ 0.73	$ (3.53)	$ (0.23)