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)