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Credit Facilities - Narrative (Details) - USD ($)
1 Months Ended 12 Months Ended
Nov. 15, 2016
Mar. 31, 2015
Jan. 28, 2018
Jan. 29, 2017
Jan. 31, 2016
Facilities, maximum borrowing capacity $ 400,000,000        
Maturity date of term loans and revolving commitments     Nov. 12, 2021    
Facilities, amount outstanding $ 247,000,000        
Borrowings under line of credit   $ 35,000,000 $ 0 $ 97,000,000 $ 0
Minimum lenders represented as percentage of revolving commitments and outstanding term loans that may demand repayment in event of default 50.00%        
Minimum          
Interest coverage ratio 3.00        
Total leverage ratio following a material acquisition 3.25        
Maximum          
Total leverage ratio 3.00        
Total leverage ratio following a material acquisition 3.50        
Term Loans          
Facilities, maximum borrowing capacity $ 150,000,000        
Facilities, amount outstanding 150,000,000        
Facilities, interest rate at period end     3.19%    
Revolving Commitments          
Facilities, maximum borrowing capacity 250,000,000        
Maturity date of term loans and revolving commitments     Nov. 12, 2021    
Facilities, amount outstanding 97,000,000   $ 97,000,000    
Undrawn revolving commitments $ 153,000,000        
Initial commitment fee, percentage 0.40%        
Facilities, interest rate at period end     3.19%    
Revolving Commitments | Minimum          
Commitment fee, percentage 0.20%        
Revolving Commitments | Maximum          
Commitment fee, percentage 0.45%        
Letter of Credit [Member]          
Facilities, maximum borrowing capacity $ 40,000,000        
Facilities, amount outstanding     $ 0    
Fronting fee for each letter of credit issued, percentage 0.125%        
Swingline Loans [Member]          
Facilities, maximum borrowing capacity $ 25,000,000        
Facilities, amount outstanding     0    
Foreign Line of Credit [Member]          
Facilities, maximum borrowing capacity 40,000,000        
Revolving Loans and Non US Dollars LC [Member]          
Facilities, amount outstanding     $ 0    
Additional Term Loan Facilities or Revolving Commitments [Member]          
Facilities, maximum borrowing capacity $ 150,000,000        
United States of America, Dollars          
Description of variable rate basis (1) the Base Rate (as defined below) plus a margin ranging from 0.25% to 1.25% depending upon the Company’s consolidated leverage ratio or (2) LIBOR (determined with respect to deposits in U.S. Dollars) for an interest period to be selected by the Company plus a margin ranging from 1.25% to 2.25% depending upon the Company's consolidated leverage ratio (such margin, the "Applicable Margin").        
Base Rate          
Description of variable rate basis the highest of (a) the prime rate of the administrative agent, (b) ½ of 1% above the federal funds effective rate published by the Federal Reserve Bank of New York and (c) one-month LIBOR (determined with respect to deposits in U.S. Dollars) plus 1.00%.        
Initial interest margin 2.00%        
Base Rate | Minimum          
Basis spread on variable rate 0.25%        
Base Rate | Maximum          
Basis spread on variable rate 1.25%        
Federal Funds          
Basis spread on variable rate 1.00%        
LIBOR          
Basis spread on variable rate 1.00%        
Initial interest margin 1.00%        
LIBOR | Minimum          
Basis spread on variable rate 1.25%        
LIBOR | Maximum          
Basis spread on variable rate 2.25%