Description of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 123R

-Paragraph A240

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (a)(1)

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

Name:	us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod
Namespace Prefix:	us-gaap_
Data Type:	us-types:durationStringItemType
Balance Type:	na
Period Type:	duration

Share-Based Compensation Share-based Compensation, LTIP (Details) In Thousands, unless otherwise specified	6 Months Ended		1 Months Ended	6 Months Ended
	Jun. 29, 2012 Restricted Stock Units (RSUs) [Member]	Jun. 29, 2012 Long-term Incentive Plans [Member]	May 31, 2012 Long Term Incentive Plan Year Two [Member] Performance Units [Member]	Jun. 29, 2012 Long Term Incentive Plan Year Two [Member] Restricted Stock Units (RSUs) [Member]	Jun. 29, 2012 Long Term Incentive Plan Year Two [Member] Restricted Stock Units (RSUs) [Member] Minimum [Member]	Jun. 29, 2012 Long Term Incentive Plan Year Two [Member] Restricted Stock Units (RSUs) [Member] Maximum
Share-based Compensation
Equity instruments, other than options, granted in period (in units)			1,300	433
Payout range					0.00%	200.00%
Percentage of payout subject to reduction		30.00%
Restricted stock units, vesting period	3 years