Annual report pursuant to Section 13 and 15(d)

DEBT (Additional Information) (Details)

v3.6.0.2
DEBT (Additional Information) (Details)
12 Months Ended
May 16, 2016
USD ($)
May 12, 2016
USD ($)
Feb. 24, 2016
Dec. 17, 2012
USD ($)
Jun. 28, 2007
USD ($)
Dec. 31, 2016
USD ($)
extension
Dec. 31, 2015
USD ($)
Dec. 31, 2014
USD ($)
Debt Instrument [Line Items]                
Credit facility, borrowing capacity           $ 900,000,000.0    
Line of credit facility, potential maximum borrowing capacity           1,200,000,000.0    
Bridge loan           $ 800,000,000.0    
Bridge loan, term 364 days   364 days     364 days    
Maximum leverage ratio (not more than)           3.5    
Leverage ratio, maximum allowed increase following a material acquisition           0.5    
Leverage ratio, maximum allowed following a material acquisition           4.0    
Long-term debt           $ 2,685,400,000 $ 1,196,800,000  
Commercial paper notes           $ 900,000,000.0    
Commercial paper, maturity date (less than)           90 days    
Cash paid for interest, net of capitalized interest           $ 85,000,000 61,600,000 $ 67,900,000
Maximum                
Debt Instrument [Line Items]                
Commercial paper, maturity period range           397 days    
364-Day Revolver                
Debt Instrument [Line Items]                
Debt, extinguished $ 475,000,000              
Long-term debt           $ 0 0  
Notes, 2.30%, due June 2021                
Debt Instrument [Line Items]                
Long-term debt           $ 500,000,000 0  
Long term debt, interest rate           2.30%    
Notes, 3.25%, due June 2026                
Debt Instrument [Line Items]                
Long-term debt           $ 275,000,000 0  
Long term debt, interest rate           3.25%    
Notes, 6.30%, due July 2017                
Debt Instrument [Line Items]                
Long-term debt           $ 272,500,000 272,500,000  
Long term debt, interest rate           6.30%    
Notes, 7.00%, due July 2037                
Debt Instrument [Line Items]                
Long-term debt           $ 250,000,000 250,000,000  
Long term debt, interest rate           7.00%    
Notes, 3.30%, due Dec 2022                
Debt Instrument [Line Items]                
Long-term debt           $ 500,000,000 500,000,000  
Long term debt, interest rate           3.30%    
Debentures, 6.90%, due July 2028                
Debt Instrument [Line Items]                
Long-term debt           $ 125,000,000 $ 125,000,000  
Long term debt, interest rate           6.90%    
Senior Notes | Notes, 2.30%, due June 2021                
Debt Instrument [Line Items]                
Long-term debt   $ 500,000,000.0            
Long term debt, interest rate   2.30%            
Debt instrument, term   5 years            
Senior Notes | Notes, 3.25%, due June 2026                
Debt Instrument [Line Items]                
Long-term debt   $ 275,000,000.0            
Long term debt, interest rate   3.25%            
Debt instrument, term   10 years            
Senior Notes | Notes, 6.30%, due July 2017                
Debt Instrument [Line Items]                
Long-term debt         $ 300,000,000.0      
Long term debt, interest rate         6.30%      
Debt instrument, term         10 years      
Senior Notes | Notes, 7.00%, due July 2037                
Debt Instrument [Line Items]                
Long-term debt         $ 250,000,000.0      
Long term debt, interest rate         7.00%      
Debt instrument, term         30 years      
Senior Notes | Notes, 3.30%, due Dec 2022                
Debt Instrument [Line Items]                
Long-term debt       $ 500,000,000.0        
Long term debt, interest rate       3.30%        
Debt instrument, term       10 years        
Revolving Credit Facility                
Debt Instrument [Line Items]                
Credit facility maturity date           Nov. 21, 2020    
Maximum number of extensions, maturity date | extension           2    
Credit facility, maturity date, extension period           1 year    
Credit facility covenants compliance          
The financial covenants require the Company to maintain a maximum leverage ratio, defined as consolidated funded debt divided by consolidated EBITDA (as set forth in the Senior Credit Facilities) for the preceding four quarters, of not more than 3.5 to 1.0. The Company may, subject to the terms of the Senior Credit Facilities, increase the covenant by 0.5 (i.e. to 4.0 to1.0) for a four consecutive fiscal quarter period following a material acquisition. As permitted under the terms of the Senior Credit Facilities, we made the election to increase the covenant to 4.0 to 1.0, effective for four consecutive quarters, beginning with the first quarter of 2016 and continuing through the fourth quarter of 2016. Compliance with this financial covenant is tested quarterly. The non-financial covenants include limitations on liens, subsidiary debt, mergers, liquidations, asset dispositions and acquisitions. As of December 31, 2016, we were in compliance with our covenants under the Senior Credit Facilities.
   
Credit facility, available for borrowings           $ 589,200,000    
Long-term line of credit, borrowings outstanding           $ 0    
Debt instrument, term           5 years    
Term Loan                
Debt Instrument [Line Items]                
Delayed draw term loan           $ 800,000,000.0    
Term loan, maturity date           Nov. 21, 2018    
Letter of Credit                
Debt Instrument [Line Items]                
Long-term debt           $ 500,000