Dispositions and Discontinued Operations (Details 1) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Jan. 01, 2011
Summarized assets and liabilities of discontinued operations
Accounts receivable, net	$ 0	$ 18
Prepaid expenses and other current assets	0	107
Assets of discontinued operations	0	125
Accounts payable	5	32
Accrued liabilities	6,792	18,768
Liabilities of discontinued operations	$ 6,797	$ 18,800

For the disposal group, including a component of the entity (discontinued operation), the aggregate of amounts due from customers or clients for goods or services that have been delivered or sold in the normal course of business and an amount representing an agreement for an unconditional promise by the maker to pay the entity (holder) a definite sum of money at a future date, reduced to their estimated net realizable fair value by an allowance established by the entity of the amount it deems uncertain of collection and net of any write-downs taken for collection uncertainty on the part of the holder, respectively.

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Carrying value as of the balance sheet date of current obligations (due less than one year or one operating cycle, if longer) arising from the sale, disposal or planned sale in the near future (generally within one year) of a disposal group, including a component of the entity (discontinued operation).

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