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Debt, Capital Lease Obligations And Other Financing (Narrative) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Apr. 02, 2016
Jan. 02, 2016
Apr. 02, 2016
Apr. 04, 2015
Oct. 03, 2015
Line of Credit Facility, Expiration Date     May 15, 2019    
Line of Credit Facility, Increase (Decrease), Other, Net   $ 30,000      
Current borrowing capacity $ 265,000   $ 265,000    
Maximum borrowing capacity 335,000   335,000    
Line of Credit Facility, Average Outstanding Amount 187,000   180,200    
Borrowings under credit facility 150,000   289,000 $ 252,000  
Senior Notes $ 175,000   $ 175,000   $ 175,000
Revolving Credit Facility [Member]          
Debt Instrument, Interest Rate, Stated Percentage Rate Range, Minimum 1.00%        
Debt Instrument, Description of Variable Rate Basis LIBOR        
Debt Instrument, Interest Rate During Period 1.125%        
Debt Instrument, Interest Rate, Effective Percentage 1.5655%   1.5655%    
Long-term Line of Credit, Noncurrent $ 75,000   $ 75,000    
Line of Credit Facility, Unused Capacity, Commitment Fee Percentage 0.175%        
Revolving Credit Facility [Member] | Maximum [Member]          
LineOfCreditFacilityHighestDailyBorrowing $ 220,000   $ 220,000    
Senior Notes [Member]          
Debt Instrument, Interest Rate, Stated Percentage 5.20%   5.20%    
Debt Instrument, Maturity Date     Jun. 15, 2018    
Interest Rate Swap [Member]          
Derivative, Notional Amount $ 75,000   $ 75,000   $ 75,000