Restatement - Narrative (Details) (USD $)	3 Months Ended		9 Months Ended	12 Months Ended
	Apr. 04, 2015	Mar. 29, 2014	Sep. 27, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009	Dec. 31, 2014
Goodwill	$ 157,569,000	$ 157,569,000							$ 157,569,000
Income tax expense (benefit)	(1,061,000)	2,544,000
Adjustments
Cost of goods sold			(800,000)	(900,000)	(2,200,000)	(300,000)	1,300,000	6,700,000
Tax adjustments				(900,000)	0
Goodwill		(4,371,000)				4,000,000
Income tax expense (benefit)		315,000				2,700,000
Goodwill impairment						1,400,000
Deferred tax assets						$ 1,600,000