Income Taxes - Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jan. 01, 2017
Operating Loss Carryforwards [Line Items]
Deferred Tax Assets, Tax Credit Carryforwards, Alternative Minimum Tax	$ 500
Deferred Tax Assets
Accrued compensation	1,231	$ 3,580
Unearned revenue	979	1,723
Deferred rent	6,914	8,148
Stock-based compensation	639	746
Accrued insurance and employee benefit plans	3,516	5,542
Unrecognized tax benefits	452	1,072
NOL and other carryforwards	3,211	3,358
Loan costs	577	1,170
Other	552	914
Gross deferred tax assets	18,071	26,253
Deferred Tax Liabilities
Depreciation and amortization	(9,492)	(24,717)
Prepaid assets	(672)	(655)
Intangibles	(117,717)	(180,623)
Favorable/Unfavorable Leases	(65)	(26)
Internal use software and other	(4,311)	(6,522)
Gross deferred tax liabilities	(132,257)	(212,543)
Net deferred tax liability	(114,186)	(186,290)
Net deferred tax liability	(114,186)	$ (186,290)
State and Local Jurisdiction [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	900
Foreign Tax Authority [Member]
Operating Loss Carryforwards [Line Items]
Tax Credit Carryforward, Amount	$ 1,600