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BORROWING ARRANGEMENTS (Narrative 3) (Detail) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Apr. 05, 2017
Apr. 04, 2017
Jun. 12, 2016
Sep. 23, 2015
Sep. 11, 2014
Mar. 11, 2014
Mar. 18, 2015
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Apr. 28, 2017
Borrowing Arrangements [Line Items]                      
Write-off of deferred financing costs               $ 10,195 $ 301  
4.375% notes due 2023                      
Borrowing Arrangements [Line Items]                      
Long-term Debt, Gross     $ 700,000                
Interest rate     4.375%         4.375% 4.375%    
Percentage of senior notes sold at issue price     99.739%                
Gross proceeds from issuance of debt     $ 692,000                
Purchased of loan     $ 180,000                
Debt maturity date               Aug. 01, 2023      
4.95% notes due 2024                      
Borrowing Arrangements [Line Items]                      
Long-term Debt, Gross   $ 400,000       $ 400,000          
Interest rate           4.95%   4.95% 4.95%    
Percentage of senior notes sold at issue price           98.58%          
Gross proceeds from issuance of debt           $ 394,300          
Debt maturity date               Apr. 01, 2024      
4.50% notes due 2025                      
Borrowing Arrangements [Line Items]                      
Long-term Debt, Gross   $ 150,000     $ 250,000            
Interest rate         4.50%     4.50% 4.50%    
Percentage of senior notes sold at issue price   99.54%     99.131%            
Gross proceeds from issuance of debt   $ 149,900     $ 247,800            
Debt maturity date               Jan. 15, 2025      
5.25% notes due 2026                      
Borrowing Arrangements [Line Items]                      
Long-term Debt, Gross       $ 600,000              
Interest rate       5.25%       5.25% 5.25%    
Percentage of senior notes sold at issue price       99.717%              
Gross proceeds from issuance of debt       $ 594,400              
Debt maturity date               Jan. 15, 2026      
4.50% notes due 2027                      
Borrowing Arrangements [Line Items]                      
Long-term Debt, Gross             $ 700,000        
Interest rate             4.50% 4.50%      
Percentage of senior notes sold at issue price             98.546%        
Gross proceeds from issuance of debt             $ 683,000        
Debt maturity date               Apr. 01, 2027      
4.75% notes due 2028                      
Borrowing Arrangements [Line Items]                      
Long-term Debt, Gross   $ 550,000                  
Interest rate   4.75%           4.75% 4.75%    
Percentage of senior notes sold at issue price   98.978%                  
Gross proceeds from issuance of debt   $ 540,800                  
Prepayment of term loan facility $ 200,000                    
Debt maturity date               Jan. 15, 2028      
5.875% notes due 2024                      
Borrowing Arrangements [Line Items]                      
Interest rate                     5.875%
Debt instrument redemption amount                     $ 400,000
Write-off of deferred financing costs   $ 4,700