Stockholders' Equity - Common and Preferred Stock (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	0 Months Ended	12 Months Ended
	May 14, 2012	Dec. 28, 2014	Dec. 29, 2013	Dec. 30, 2012
Class of Stock [Line Items]
Common stock issued for cash (in shares)	20.0
Gross proceeds from issuance of common stock	$ 100.0
Proceeds from the issuance of common stock	$ 97.0	$ 0	$ 0	$ 97.0
Common stock
Class of Stock [Line Items]
Purchase price (in dollars per share)	$ 5.00