Schedule of Fair Value of Senior Notes (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 30, 2013	Dec. 29, 2012	Mar. 31, 2012
Carrying Value \| Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
6.25% Senior Notes, face amount	$ 150,015	$ 149,953	$ 150,027
Carrying Value \| Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
9.75% Senior Secured Notes	250,000	250,000	250,000
Fair Value \| Senior Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
6.25% Senior Notes, face amount	150,000	153,750	155,637
Fair Value \| Senior Secured Notes
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]
9.75% Senior Secured Notes	$ 295,000	$ 265,938	$ 259,379

The stated principal amount of the debt instrument at time of issuance, which may vary from the carrying amount because of unamortized premium or discount.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 45

-Paragraph 2

-URI http://asc.fasb.org/extlink&oid=6451184&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 835

-SubTopic 30

-Section 55

-Paragraph 8

-URI http://asc.fasb.org/extlink&oid=6584090&loc=d3e28878-108400

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher AICPA

-Name Accounting Principles Board Opinion (APB)

-Number 21

-Paragraph 16, 20

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DebtInstrumentFaceAmount
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant