Income Taxes (Details 2) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Dec. 31, 2012	Jan. 01, 2012	Jan. 02, 2011
Continuing operations
Provisions using statutory federal income tax rate	$ 35,147	$ 38,939	$ 29,581
State income taxes, net of federal tax benefit	4,291	4,480	3,211
Impact of REIT election	(79,033)	0	0
Change in contingent tax liabilities	0	(337)	(2,366)
Impact of nondeductible transaction costs	0	65	3,230
Other, net	(967)	25	708
Total U.S. and foreign income taxes from continuing operations	(40,562)	43,172	34,364
Discontinued operations
Taxes (benefit) from operations of discontinued business	7,805	(4,753)	(5,168)
Total	$ (48,367)	$ 47,925	$ 39,532

Income Tax Reconciliation, Impact Of REIT Election

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Tax effect allocated to a disposal group that is classified as a component of the entity reported as a separate component of income before extraordinary items. Includes the tax effects of the following: 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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The sum of the current income tax expense or benefit and the deferred income tax expense or benefit pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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The sum of the differences between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations attributable to nondeductible expenses under enacted tax laws, or differences in the methodologies used to determine expense amounts for financial statements prepared in accordance with generally accepted accounting principles and enacted tax laws.

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The sum of other amounts reflected in the reconciliation of the statutory tax provision (benefit) to the actual tax provision (benefit).

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The portion of the difference, between total income tax expense or benefit as reported in the Income Statement for the period and the expected income tax expense or benefit computed by applying the domestic federal statutory income tax rates to pretax income from continuing operations, that is attributable to state and local income tax expense or benefit.

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