XML 100 R90.htm IDEA: XBRL DOCUMENT v3.10.0.1
Subsequent Event (Details) - Senior Secured Credit Facility - USD ($)
Oct. 10, 2018
Nov. 20, 2017
Dec. 18, 2015
Line of Credit Facility [Line Items]      
Borrowing capacity     $ 1,810,000,000
Cross default provisions with debt instruments exceeding this amount   $ 100,000,000.0  
Subsequent Event      
Line of Credit Facility [Line Items]      
Borrowing capacity $ 2,590,000,000    
Amount of option to increase credit facility 400,000,000.0    
Cross default provisions with debt instruments exceeding this amount 150,000,000.0    
Revolving Credit Facility | Subsequent Event      
Line of Credit Facility [Line Items]      
Increase in maximum borrowing capacity 175,000,000.0    
Borrowing capacity 1,990,000,000    
Term Loan | Subsequent Event      
Line of Credit Facility [Line Items]      
Borrowing capacity 600,000,000.0    
Quarterly amortization payment $ 7,500,000    
Term Loan | Eurocurrency Rate | Minimum | Subsequent Event      
Line of Credit Facility [Line Items]      
Additional amount over rate (up to) 1.125%    
Term Loan | Eurocurrency Rate | Maximum | Subsequent Event      
Line of Credit Facility [Line Items]      
Additional amount over rate (up to) 1.875%    
Term Loan | Base Rate | Minimum | Subsequent Event      
Line of Credit Facility [Line Items]      
Additional amount over rate (up to) 0.125%    
Term Loan | Base Rate | Maximum | Subsequent Event      
Line of Credit Facility [Line Items]      
Additional amount over rate (up to) 1.00%    
Swing Lines Loan | Australian Dollars      
Line of Credit Facility [Line Items]      
Borrowing capacity     $ 30,000,000.0
Swing Lines Loan | Australian Dollars | Subsequent Event      
Line of Credit Facility [Line Items]      
Borrowing capacity $ 50,000,000.0