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Short- and Long-Term Obligations - Narrative (Details)
3 Months Ended
Mar. 29, 2016
USD ($)
Apr. 02, 2016
USD ($)
Jan. 02, 2016
USD ($)
Debt Instrument [Line Items]      
Weighted average interest rate for long-term obligations (in hundredths)   1.72%  
Maximum unrestricted domestic cash   $ 25,000,000  
Total short- and long-term debt   72,171,000 $ 31,250,000
Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Term of unsecured revolving credit facility 5 years    
Borrowing capacity available under committed portion $ 100,000,000 $ 100,000,000  
Additional borrowing capacity $ 50,000,000    
Maturity date Nov. 01, 2018    
Maximum consolidated leverage ratio   3.5  
Minimum consolidated interest coverage ratio   3  
Proceeds from borrowings   $ 41,046,000  
Total short- and long-term debt   67,046,000 $ 26,000,000
Remaining Borrowing Capacity   $ 32,151,000  
Revolving Credit Facility [Member] | Federal Funds Rate [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate   federal funds rate  
Basis spread on variable rate (in hundredths)   0.50%  
Revolving Credit Facility [Member] | Federal Funds Rate [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   0.00%  
Revolving Credit Facility [Member] | Federal Funds Rate [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   1.00%  
Revolving Credit Facility [Member] | Prime Rate [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate   prime rate  
Revolving Credit Facility [Member] | Prime Rate [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   0.00%  
Revolving Credit Facility [Member] | Prime Rate [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   1.00%  
Revolving Credit Facility [Member] | Eurocurrency Rate [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate   Eurocurrency rate  
Basis spread on variable rate (in hundredths)   0.50%  
Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   0.00%  
Revolving Credit Facility [Member] | Eurocurrency Rate [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   1.00%  
Revolving Credit Facility [Member] | Eurocurrency Rate Two [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate   Eurocurrency rate  
Revolving Credit Facility [Member] | Eurocurrency Rate Two [Member] | Minimum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   1.00%  
Revolving Credit Facility [Member] | Eurocurrency Rate Two [Member] | Maximum [Member]      
Debt Instrument [Line Items]      
Basis spread on variable rate (in hundredths)   2.00%  
Euro-Denominated Borrowing [Member] | Revolving Credit Facility [Member]      
Debt Instrument [Line Items]      
Proceeds from borrowings   $ 29,866,000