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Debt - Additional Information (Details) - USD ($)
9 Months Ended
May 02, 2016
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2015
Debt Instrument [Line Items]        
Line of credit facility proceeds $ 72,000,000 $ 72,000,000 $ 0  
Repayments of lines of credit   $ 62,000,000 $ 0  
Senior secured term loan | Term loan facility        
Debt Instrument [Line Items]        
Effective interest rate (as a percent)   4.00%    
Senior unsecured notes | 6.25% senior notes        
Debt Instrument [Line Items]        
Weighted-average interest rate (as a percent)   6.25%   6.25%
Revolving credit facility        
Debt Instrument [Line Items]        
Revolving credit facility   $ 10,000,000   $ 0
Weighted-average interest rate (as a percent)   2.74%   2.74%
Revolving credit facility | Revolving Credit Facility        
Debt Instrument [Line Items]        
Unused capacity, commitment fee percentage   0.40%    
Consolidated total leverage ratio   2.25    
Revolving credit facility | Revolving Credit Facility | Leverage Ratio, Less than 2.25        
Debt Instrument [Line Items]        
Unused capacity, commitment fee percentage   0.25%    
Revolving credit facility | Revolving Credit Facility | Base rate | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   0.75%    
Revolving credit facility | Revolving Credit Facility | Base rate | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   1.50%    
Revolving credit facility | Revolving Credit Facility | LIBOR | Minimum        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   1.75%    
Revolving credit facility | Revolving Credit Facility | LIBOR | Maximum        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   2.50%    
Revolving credit facility | Secured line of credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Term of credit facility (in years)   5 years    
Borrowing capacity   $ 250,000,000    
Revolving credit facility | Senior secured term loan        
Debt Instrument [Line Items]        
Effective interest rate (as a percent)   2.77%    
Revolving credit facility | Senior secured term loan | Revolving Credit Facility        
Debt Instrument [Line Items]        
Amount available for borrowing   $ 236,000,000    
Letter of credit | Secured line of credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Borrowing capacity   75,000,000    
Letter of credit | Senior secured term loan | Revolving Credit Facility        
Debt Instrument [Line Items]        
Amount outstanding   4,000,000    
Swingline sub-facility | Secured line of credit | Revolving Credit Facility        
Debt Instrument [Line Items]        
Borrowing capacity   $ 25,000,000    
Option 1 | Revolving credit facility | Senior secured term loan | Term loan facility | Base rate        
Debt Instrument [Line Items]        
Interest rate floor (as a percent)   0.75%    
Option 1 | Revolving credit facility | Senior secured term loan | Term loan facility | LIBOR        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   3.25%    
Option 2 | Revolving credit facility | Senior secured term loan | Term loan facility | Base rate        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   2.25%    
Option 2 | Revolving credit facility | Senior secured term loan | Term loan facility | U.S. federal funds effective rate        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   0.50%    
Option 2 | Revolving credit facility | Senior secured term loan | Term loan facility | One month LIBOR rate        
Debt Instrument [Line Items]        
Basis spread on variable rate (as a percent)   1.00%