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Indebtedness - Senior Debt Prior Term Loan (Details) - USD ($)
Dec. 17, 2019
Dec. 19, 2017
Dec. 31, 2019
Dec. 16, 2019
Dec. 31, 2018
Term loans | Senior Credit Facilities | Federal Funds Effective Swap Rate          
Debt Instrument [Line Items]          
Basis spread on variable rate (as a percent) 0.50%        
Term loans | Senior Credit Facilities | One-Month LIBOR          
Debt Instrument [Line Items]          
Basis spread on variable rate (as a percent) 1.00%        
Interest period which may be elected, shortest (months) 1 month        
Term loans | Senior Credit Facilities | Two-Month LIBOR          
Debt Instrument [Line Items]          
Interest period which may be elected, shortest (months) 2 months        
Term loans | Senior Credit Facilities | Three-Month LIBOR          
Debt Instrument [Line Items]          
Interest period which may be elected, shortest (months) 3 months        
Term loans | Senior Credit Facilities | Six-Month LIBOR          
Debt Instrument [Line Items]          
Interest period which may be elected, shortest (months) 6 months        
Term loans | Purchase Card Program          
Debt Instrument [Line Items]          
Amount outstanding under purchase card programs     $ 2,600,000   $ 2,500,000
Senior credit facility | Senior Credit Facilities          
Debt Instrument [Line Items]          
Weighted-average interest rate of senior credit facilities (as a percent)     3.30%    
Maximum period within which net proceeds should be reinvested   360 days      
Period after end of 360 day period if committed to be reinvested   360 days      
Percentage of capital stock 100.00%        
Percentage of capital stock of material first tier foreign subsidiaries 65.00%        
Consolidated leverage ratio to repurchase capital stock and pay cash dividends 2.75        
Aggregate amount of repurchases and dividend declarations $ 100,000,000.0        
Additional amount for all such repurchases and dividend declarations after effective date $ 100,000,000.0        
Percentage of cumulative consolidated net income 50.00%        
Percentage of cumulative consolidated net deficit 100.00%        
Senior credit facility | Revolving loans | Senior Credit Facilities          
Debt Instrument [Line Items]          
Maximum borrowing capacity under financing arrangement $ 800,000,000.0        
Letters of credit and guarantees | Senior Credit Facilities          
Debt Instrument [Line Items]          
Fronting fees percentage 0.125%        
Foreign credit instrument facility          
Debt Instrument [Line Items]          
Amount of available borrowing capacity     $ 2,200,000    
Line of credit     97,800,000    
Foreign credit instrument facility | Senior Credit Facilities          
Debt Instrument [Line Items]          
Fronting fees percentage 0.25%        
Foreign credit instrument facility | Revolving loans          
Debt Instrument [Line Items]          
Maximum borrowing capacity under financing arrangement $ 150,000,000.0     $ 150,000,000.0  
Domestic revolving credit facility          
Debt Instrument [Line Items]          
Amount of available borrowing capacity     292,700,000    
Line of credit     140,000,000.0    
Letters of credit issued, amount outstanding     17,300,000    
Domestic revolving credit facility | Revolving loans          
Debt Instrument [Line Items]          
Maximum borrowing capacity under financing arrangement $ 300,000,000.0     $ 200,000,000.0  
Trade receivables financing arrangement | Revolving loans          
Debt Instrument [Line Items]          
Maximum borrowing capacity under financing arrangement     50,000,000.0    
China and South Africa | Foreign credit instrument facility | Revolving loans          
Debt Instrument [Line Items]          
Maximum borrowing capacity under financing arrangement     $ 20,000,000.0