Note 13 - Supplemental Condensed Consolidating Financial Statements - Condensed Consolidating Statement of Operations and Comprehensive Loss (Details) - USD ($) $ in Thousands	3 Months Ended
	Aug. 30, 2016	Sep. 01, 2015
Parent Company [Member]
Revenue:
Restaurant sales and operating revenue	$ 185,088	$ 201,416
Franchise revenue	10	15
Total revenue	185,098	201,431
Operating costs and expenses:
Cost of goods sold	52,182	55,228
Payroll and related costs	63,575	67,341
Other restaurant operating costs	40,976	45,202
Depreciation and amortization	8,088	9,127
Selling, general, and administrative	19,386	20,589
Intercompany selling, general, and administrative allocations	10,363	11,126
Closures and Impairments Expenses	16,584	2,589
Equity in losses of subsidiaries	9,032	11,966
Interest expense, net	4,582	4,598
Intercompany interest expense/(income)	2,953	2,975
Total operating costs and expenses	227,721	206,809
Loss before income taxes	(42,623)	(5,378)
Income Tax Expense (Benefit)	(2,931)	(1,184)
Net loss	(39,692)	(4,194)
Equity in earnings of subsidiaries	(9,032)	(11,966)
(Loss)/income	(42,623)	(5,378)
Other comprehensive income:
Pension liability reclassification	355	(44)
Total comprehensive loss	(39,337)	(4,238)
Guarantor Subsidiaries [Member]
Revenue:
Restaurant sales and operating revenue	70,676	76,491
Franchise revenue	883	1,558
Total revenue	71,559	78,049
Operating costs and expenses:
Cost of goods sold	20,008	21,013
Payroll and related costs	27,032	27,994
Other restaurant operating costs	16,387	17,005
Depreciation and amortization	3,141	3,679
Selling, general, and administrative	12,199	8,807
Intercompany selling, general, and administrative allocations	(10,363)	(11,126)
Closures and Impairments Expenses	13,608	123
Equity in losses of subsidiaries
Interest expense, net	295	1,402
Intercompany interest expense/(income)	(2,953)	(2,975)
Total operating costs and expenses	79,354	65,922
Loss before income taxes	(7,795)	12,127
Income Tax Expense (Benefit)	1,237	161
Net loss	(9,032)	11,966
Equity in earnings of subsidiaries
(Loss)/income	(7,795)	12,127
Other comprehensive income:
Pension liability reclassification
Total comprehensive loss	(9,032)	11,966
Consolidation, Eliminations [Member]
Revenue:
Restaurant sales and operating revenue
Franchise revenue
Total revenue
Operating costs and expenses:
Cost of goods sold
Payroll and related costs
Other restaurant operating costs
Depreciation and amortization
Selling, general, and administrative
Intercompany selling, general, and administrative allocations
Closures and Impairments Expenses
Equity in losses of subsidiaries	(9,032)	(11,966)
Interest expense, net
Intercompany interest expense/(income)
Total operating costs and expenses	(9,032)	11,966
Loss before income taxes	9,032	(11,966)
Income Tax Expense (Benefit)
Net loss	9,032	(11,966)
Equity in earnings of subsidiaries	9,032	11,966
(Loss)/income	9,032	(11,966)
Other comprehensive income:
Pension liability reclassification
Total comprehensive loss	9,032	(11,966)
Restaurant sales and operating revenue	255,764	277,907
Franchise revenue	893	1,573
Total revenue	256,657	279,480
Cost of goods sold	72,190	76,241
Payroll and related costs	90,607	95,335
Other restaurant operating costs	57,363	62,207
Depreciation and amortization	11,229	12,806
Selling, general, and administrative	31,585	29,396
Intercompany selling, general, and administrative allocations
Closures and Impairments Expenses	30,192	2,712
Equity in losses of subsidiaries
Interest expense, net	4,877	6,000
Intercompany interest expense/(income)
Total operating costs and expenses	298,043	284,697
Loss before income taxes	(41,386)	(5,217)
Income Tax Expense (Benefit)	(1,694)	(1,023)
Net loss	(39,692)	(4,194)
Equity in earnings of subsidiaries
(Loss)/income	(41,386)	(5,217)
Pension liability reclassification	355	(44)
Total comprehensive loss	$ (39,337)	$ (4,238)