Stockholder's Equity Public Offering (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	12 Months Ended
	Jan. 01, 2017	Jan. 03, 2016	Dec. 28, 2014	Apr. 30, 2014
Class of Stock [Line Items]
Issuance of common stock, shares			11.5
Shares Issued, Price Per Share				$ 6.20
Proceeds from public stock offering, net of expenses	$ 0	$ 0	$ 67,327
Public Offering [Member]
Class of Stock [Line Items]
Issuance of common stock, shares			10.0
Over-Allotment Option [Member]
Class of Stock [Line Items]
Issuance of common stock, shares			1.5