Note 13 - Supplemental Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 05, 2017	Aug. 30, 2016
Restaurant sales and operating revenue	$ 216,406	$ 255,764
Franchise revenue	901	893
Total revenue	217,307	256,657
Cost of goods sold	58,299	72,190
Payroll and related costs	76,517	90,607
Other restaurant operating costs	46,079	57,363
Depreciation and amortization	9,429	11,229
General and administrative expenses	13,884	16,089
Intercompany general and administrative allocations
Marketing expenses, net	10,003	15,496
Closures and Impairments Expenses	7,819	30,192
Equity in earnings (losses) of subsidiaries
Interest expense, net	5,072	4,877
Intercompany interest expense/(income)
Total operating costs and expenses	227,102	298,043
(Loss)/income before income taxes	(9,795)	(41,386)
Income Tax Expense (Benefit)	51	(1,694)
Net (loss)/income	(9,846)	(39,692)
Pension liability reclassification	144	355
Total comprehensive (loss)/income	(9,702)	(39,337)
Loss before income taxes	(9,795)	(41,386)
Total comprehensive loss	(9,702)	(39,337)
Consolidation, Eliminations [Member]
Restaurant sales and operating revenue
Franchise revenue
Total revenue
Cost of goods sold
Payroll and related costs
Other restaurant operating costs
Depreciation and amortization
General and administrative expenses
Intercompany general and administrative allocations
Marketing expenses, net
Closures and Impairments Expenses
Equity in earnings (losses) of subsidiaries	4,972	(9,032)
Interest expense, net
Intercompany interest expense/(income)
Total operating costs and expenses	4,972	(9,032)
(Loss)/income before income taxes	(4,972)	9,032
Income Tax Expense (Benefit)
Net (loss)/income	(4,972)	9,032
Pension liability reclassification
Total comprehensive (loss)/income	(4,972)	9,032
Loss before income taxes	(4,972)	9,032
Total comprehensive loss	(4,972)	9,032
Parent Company [Member]
Restaurant sales and operating revenue	159,365	185,088
Franchise revenue		10
Total revenue	159,365	185,098
Cost of goods sold	42,947	52,182
Payroll and related costs	54,996	63,575
Other restaurant operating costs	34,071	40,976
Depreciation and amortization	7,038	8,088
General and administrative expenses	14,790	8,041
Intercompany general and administrative allocations	2,189	10,363
Marketing expenses, net	7,575	11,345
Closures and Impairments Expenses	7,208	16,584
Equity in earnings (losses) of subsidiaries	(4,972)	9,032
Interest expense, net	4,970	4,582
Intercompany interest expense/(income)	2,943	2,953
Total operating costs and expenses	173,755	227,721
(Loss)/income before income taxes	(14,390)	(42,623)
Income Tax Expense (Benefit)	(4,544)	(2,931)
Net (loss)/income	(9,846)	(39,692)
Pension liability reclassification	144	355
Total comprehensive (loss)/income	(9,702)	(39,337)
Loss before income taxes	(14,390)	(42,623)
Total comprehensive loss	(9,702)	(39,337)
Guarantor Subsidiaries [Member]
Restaurant sales and operating revenue	57,041	70,676
Franchise revenue	901	883
Total revenue	57,942	71,559
Cost of goods sold	15,352	20,008
Payroll and related costs	21,521	27,032
Other restaurant operating costs	12,008	16,387
Depreciation and amortization	2,391	3,141
General and administrative expenses	(906)	8,048
Intercompany general and administrative allocations	(2,189)	(10,363)
Marketing expenses, net	2,428	4,151
Closures and Impairments Expenses	611	13,608
Equity in earnings (losses) of subsidiaries
Interest expense, net	102	295
Intercompany interest expense/(income)	(2,943)	(2,953)
Total operating costs and expenses	48,375	79,354
(Loss)/income before income taxes	9,567	(7,795)
Income Tax Expense (Benefit)	4,595	1,237
Net (loss)/income	4,972	(9,032)
Pension liability reclassification
Total comprehensive (loss)/income	4,972	(9,032)
Loss before income taxes	9,567	(7,795)
Total comprehensive loss	$ 4,972	$ (9,032)