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Derivative Financial Instruments - General Information (Details)
3 Months Ended 6 Months Ended 12 Months Ended
Dec. 29, 2013
agreement
Apr. 01, 2018
USD ($)
Oct. 01, 2017
USD ($)
Sep. 29, 2013
agreement
Interest rate swap agreements | Designated as cash flow hedges | Derivatives designated as hedging instruments        
Derivative Financial Instruments        
Number of derivative agreements | agreement 2     3
Amount of effective portion of derivatives before tax effect   $ (100,000)    
Period of reclassification from accumulated other comprehensive income (loss) to interest expense   12 months    
Interest rate swap agreement bearing fixed rate 1.36%        
Derivative Financial Instruments        
Notional Amount   $ 38,438,000    
Fixed Rate (as a percent)   1.36%    
Interest rate swap agreement bearing fixed rate 1.34%        
Derivative Financial Instruments        
Notional Amount   $ 38,438,000    
Fixed Rate (as a percent)   1.34%    
Interest rate swap agreement bearing fixed rate 1.35%        
Derivative Financial Instruments        
Notional Amount   $ 38,438,000    
Fixed Rate (as a percent)   1.35%    
Interest rate swap agreement bearing fixed rate 1.23%        
Derivative Financial Instruments        
Notional Amount   $ 19,218,000    
Fixed Rate (as a percent)   1.23%    
Interest rate swap agreement bearing fixed rate 1.24%        
Derivative Financial Instruments        
Notional Amount   $ 19,218,000    
Fixed Rate (as a percent)   1.24%    
Foreign currency forward contracts and interest rate swap agreements | Derivatives designated as hedging instruments        
Derivative Financial Instruments        
Ineffective portion of derivative instruments   $ 0 $ 0  
Amounts excluded from effectiveness testing   $ 0 $ 0