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Note 16 - Financial Instruments and Fair Value Measurements (Details Textual) - USD ($)
7 Months Ended
Jan. 25, 2015
Jul. 31, 2015
Dec. 28, 2014
Sep. 28, 2014
Rock Ohio Ventures [Member]        
Cost Method Investments, Fair Value Disclosure     $ 800,000 $ 0
Payments for (Proceeds from) Investments $ (800,000)      
Land and Land Improvements [Member] | Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member]        
Property, Plant, and Equipment, Fair Value Disclosure   $ 37,800,000    
Other Assets Acquired [Member] | Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member]        
Property, Plant, and Equipment, Fair Value Disclosure   $ 46,300,000    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Trade Names [Member] | Minimum [Member]        
Royalty Rate   1.00%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Trade Names [Member] | Maximum [Member]        
Royalty Rate   2.50%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Trade Names [Member]        
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure   $ 12,200,000    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Player Relationships [Member] | Minimum [Member]        
Annual Attrition Rate   10.00%    
Fair Value Inputs, Discount Rate   12.00%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Player Relationships [Member] | Maximum [Member]        
Annual Attrition Rate   20.00%    
Fair Value Inputs, Discount Rate   13.00%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Player Relationships [Member]        
Finite-lived Intangible Assets, Fair Value Disclosure   $ 7,600,000    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Customer Relationships [Member] | Minimum [Member]        
Annual Attrition Rate   5.00%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Customer Relationships [Member] | Maximum [Member]        
Annual Attrition Rate   12.50%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Customer Relationships [Member]        
Finite-lived Intangible Assets, Fair Value Disclosure   $ 59,200,000    
Fair Value Inputs, Discount Rate   11.00%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Computer Software, Intangible Asset [Member]        
Finite-lived Intangible Assets, Fair Value Disclosure   $ 500,000    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Noncompete Agreements [Member]        
Finite-lived Intangible Assets, Fair Value Disclosure   $ 300,000    
Fair Value Inputs, Discount Rate   9.80%    
Fair Value Input, Probability Factor   10.00%    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member] | Licensing Agreements [Member]        
Indefinite-lived Intangible Assets (Excluding Goodwill), Fair Value Disclosure   $ 1,000,000    
Fair Value, Inputs, Level 3 [Member] | Sartini Gaming [Member]        
Finite and Indefinite-lived Intangible Assets, Excluding Goodwill, Fair Value Disclosure   $ 80,800,000