Acquisitions (Schedule Of Unaudited Pro Forma Financial Information) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Apr. 01, 2012	Apr. 03, 2011
Acquisitions [Abstract]
Total revenues	$ 179,678	$ 196,829
Net loss	$ (242,090)	$ (3,429)

The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 805

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (h)(2)-(3)

-URI http://asc.fasb.org/extlink&oid=6909870&loc=d3e1392-128463

Name:	us-gaap_BusinessAcquisitionsProFormaNetIncomeLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration