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Debt (Senior Secured Credit Facility) (Details) - 2013 $200 Million Variable Interest Rate Revolving Facility Maturing in 2018 - USD ($)
Dec. 11, 2013
Mar. 29, 2015
Revolving Credit Facility    
Debt Instrument [Line Items]    
Borrowing capacity $ 200,000,000  
Debt instrument, property pledged as collateral, amount $ 5,000,000  
Leverage ratio 3.00  
Fixed charge coverage ratio 3.00  
Revolving Credit Facility | Minimum | Senior Secured Credit Facility    
Debt Instrument [Line Items]    
Line of credit facility, unused capacity, commitment fee percentage 0.20%  
Revolving Credit Facility | Maximum | Senior Secured Credit Facility    
Debt Instrument [Line Items]    
Line of credit facility, unused capacity, commitment fee percentage 0.40%  
Revolving Credit Facility | Base Rate | Minimum    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 0.25%  
Revolving Credit Facility | Base Rate | Maximum    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 1.25%  
Revolving Credit Facility | London Interbank Offered Rate (LIBOR)    
Debt Instrument [Line Items]    
Debt instrument, basis spread on base rate 1.00%  
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Minimum    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 1.25%  
Revolving Credit Facility | London Interbank Offered Rate (LIBOR) | Maximum    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 2.25%  
Revolving Credit Facility | Federal Funds Rate    
Debt Instrument [Line Items]    
Debt instrument, basis spread on base rate 0.50%  
Revolving Credit Facility | Domestic Subsidiary | Common Stock    
Debt Instrument [Line Items]    
Debt instrument, collateral amount, percent 100.00%  
Revolving Credit Facility | Foreign Subsidiary | Common Stock    
Debt Instrument [Line Items]    
Debt instrument, collateral amount, percent 65.00%  
Bridge Loan | Base Rate | Minimum    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 0.25%  
Bridge Loan | Base Rate | Maximum    
Debt Instrument [Line Items]    
Debt instrument, basis spread on variable rate 1.25%  
Letter of Credit    
Debt Instrument [Line Items]    
Amount outstanding under credit facility   $ 1,400,000