Consolidated Statements of Earnings - USD ($)	3 Months Ended		6 Months Ended
	Jul. 01, 2018	Jul. 02, 2017	Jul. 01, 2018	Jul. 02, 2017
REVENUES:
Total revenues	$ 217,358,000	$ 211,784,000	$ 472,262,000	$ 476,743,000
Company store operating costs:
Cost of entertainment and merchandise (exclusive of items shown separately below)		6,854,000	17,802,000	15,341,000
Total cost of food, beverage, entertainment and merchandise	31,315,000	29,677,000	68,056,000	66,381,000
Labor expenses	62,618,000	60,351,000	129,966,000	126,738,000
Rent expense	24,714,000	23,906,000	48,764,000	47,225,000
Other store operating expenses	37,069,000	35,967,000	75,132,000	72,716,000
Total company store operating costs	155,716,000	149,901,000	321,918,000	313,060,000
Other costs and expenses:
Advertising expense	12,977,000	12,237,000	26,952,000	25,619,000
General and administrative expenses	13,416,000	13,719,000	26,325,000	29,090,000
Depreciation and amortization	25,493,000	27,623,000	52,065,000	55,928,000
Transaction and severance costs	191,000	490,000	725,000	570,000
Asset impairments	1,591,000	0	1,591,000	0
Total operating costs and expenses	209,384,000	203,970,000	429,576,000	424,267,000
Operating income (loss)	7,974,000	7,814,000	42,686,000	52,476,000
Interest Income (Expense), Net	19,113,000	17,061,000	37,671,000	34,123,000
Income (loss) before income taxes	(11,139,000)	(9,247,000)	5,015,000	18,353,000
Income tax expense (benefit)	(2,174,000)	(3,317,000)	1,759,000	7,061,000
Net income (loss)	(8,965,000)	(5,930,000)	3,256,000	11,292,000
Weighted average common shares outstanding:
Comprehensive income (loss)	(8,820,000)	(5,510,000)	3,556,000	11,831,000
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax	145,000	420,000	300,000	539,000
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent			300,000
Retained Earnings [Member]
Other costs and expenses:
Net income (loss)			3,256,000
Food and Beverage [Member]
REVENUES:
Total revenues	96,258,000	97,411,000.000	214,635,000.000	221,830,000.000
Company store operating costs:
Total cost of food, beverage, entertainment and merchandise	22,894,000	22,823,000	50,254,000	51,040,000
Franchise [Member]
REVENUES:
Total revenues	5,196,000	4,649,000	10,606,000	9,272,000
Entertainment [Member]
REVENUES:
Total revenues	115,904,000	109,724,000	247,021,000	245,641,000
Company store operating costs:
Total cost of food, beverage, entertainment and merchandise	$ 8,421,000	$ 6,854,000	$ 17,802,000	$ 15,341,000