Stockholders' Equity - Grants and Exercises Under Option Plans (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 29, 2013	Dec. 30, 2012	Dec. 25, 2011
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Weighted average grant date fair value of options granted (in dollars per share)	$ 2.86	$ 3.56	$ 2.38
Total intrinsic value of options exercised	$ 0	$ 0	$ 1,832

Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (d)(2)

-URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration