Equity-Based Compensation (Schedule Of Cash-Settled Stock Appreciation Rights Activity) (Details) (Cash-Settled SARs [Member], USD $)	6 Months Ended
Jul. 01, 2011
Cash-Settled SARs [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares, Non-vested - beginning of year	445,233
Shares, Granted	41,700
Shares, Forfeited/expired	(31,036)
Shares, Non-vested - end of period	455,897
Weighted Average Exercise Price, Outstanding - beginning of year	$ 7.73
Weighted Average Exercise Price, Granted	$ 5.38
Weighted Average Exercise Price, Forfeited/expired	$ 7.76
Weighted Average Exercise Price, Outstanding - end of period	$ 7.51

The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(a)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

-Subparagraph b(2)(b)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(2)(i)-(ii)

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

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsNonvestedNumber
Namespace Prefix:	us-gaap_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant