Discontinued Operations Fiesta's Revenues and Income (Loss) From Operations (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
Dec. 30, 2012	Sep. 30, 2012	Jul. 01, 2012	Apr. 01, 2012	Jan. 01, 2012	Oct. 02, 2011	Jul. 03, 2011	Apr. 03, 2011	Dec. 30, 2012	Jan. 01, 2012	Jan. 02, 2011
Discontinued Operation, Income (Loss) from Discontinued Operation Disclosures [Abstract]
Revenues									$ 175,364	$ 474,968	$ 439,071
Income (loss) from discontinued operations before income taxes									(625)	17,591	15,070
Net income (loss) from discontinued operations	$ (114)	$ (2)	$ 668	$ (624)	$ 408	$ 3,048	$ 5,208	$ 3,078	$ (72)	$ 11,742	$ 10,106

Overall income (loss) from a disposal group that is classified as a component of the entity, before income tax, reported as a separate component of income before extraordinary items. Includes the following (before income tax): income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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Amount of income (loss) from a disposal group, net of income tax, reported as a separate component of income before extraordinary items after deduction or consideration of the amount allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

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