Earnings (Loss) per Share - Reconciliations Between Basic and Diluted Loss Per Share (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended		6 Months Ended
	Jun. 27, 2015	Jun. 28, 2014	Jun. 27, 2015	Jun. 28, 2014
Earnings Per Share [Abstract]
Net loss	$ (2.3)	$ (46.2)	$ (16.2)	$ (54.8)
Weighted average common shares outstanding (in shares)	15,953,059	15,557,173	15,931,599	15,527,173
Dilutive effect of common share equivalents (in shares)	0	0	0	0
Dilutive shares outstanding (in shares)	15,953,059	15,557,173	15,931,599	15,527,173
Basic loss per share (in dollars per share)	$ (0.14)	$ (2.97)	$ (1.02)	$ (3.53)
Diluted loss per share (in dollars per share)	$ (0.14)	$ (2.97)	$ (1.02)	$ (3.53)