Annual report pursuant to Section 13 and 15(d)

DEBT AND CREDIT FACILITIES (Schedule Of Long-Term Debt) (Details)

v3.19.3.a.u2
DEBT AND CREDIT FACILITIES (Schedule Of Long-Term Debt) (Details) - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Debt Instrument [Line Items]    
Debt Instrument, Par Value $ 2,238.0  
Fair Value Adjustment to Interest Rate Hedge   $ 0.2
Long-term debt $ 2,113.8 $ 2,092.9
$400 Million 4.875% 2024 Senior Notes [Member]    
Debt Instrument [Line Items]    
Imputed interest rate 5.00% 5.00%
Debt Instrument, Par Value $ 400.0 $ 400.0
Unamortized Debt Issuance Expense (4.6) (5.7)
Debt Instrument, Unamortized Discount (1.8) (2.2)
Long-term Debt $ 393.6 $ 392.1
$316.25 Million 1.50% 2025 Senior Notes [Member]    
Debt Instrument [Line Items]    
Imputed interest rate 6.26% 6.26%
Debt Instrument, Par Value $ 316.3 $ 316.3
Unamortized Debt Issuance Expense (4.6) (5.5)
Debt Instrument, Unamortized Discount (65.0) (75.6)
Long-term Debt $ 246.7 $ 235.2
$1.075 Billion 5.75% 2025 Senior Notes [Member]    
Debt Instrument [Line Items]    
Imputed interest rate 6.01% 6.01%
Debt Instrument, Par Value $ 473.3 $ 1,073.3
Unamortized Debt Issuance Expense (3.6) (9.9)
Debt Instrument, Unamortized Discount (5.5) (14.6)
Long-term Debt $ 464.2 $ 1,048.8
$750 Million 5.875% 2027 Senior Notes [Member]    
Debt Instrument [Line Items]    
Imputed interest rate 6.49%  
Debt Instrument, Par Value $ 750.0  
Unamortized Debt Issuance Expense (6.3)  
Debt Instrument, Unamortized Discount (27.3)  
Long-term Debt $ 716.4  
$800 Million 6.25% 2040 Senior Notes [Member]    
Debt Instrument [Line Items]    
Imputed interest rate 6.34% 6.34%
Debt Instrument, Par Value $ 298.4 $ 298.4
Unamortized Debt Issuance Expense (2.2) (2.3)
Debt Instrument, Unamortized Discount (3.3) (3.3)
Long-term Debt 292.9 292.8
ABL Facility [Member]    
Debt Instrument [Line Items]    
Debt Instrument, Par Value 450.0 450.0
Credit facility, amount outstanding $ 0.0 $ 0.0
$700 Million 4.875% 2021 Senior Notes [Member]    
Debt Instrument [Line Items]    
Imputed interest rate   4.89%
Debt Instrument, Par Value   $ 124.0
Unamortized Debt Issuance Expense   (0.2)
Debt Instrument, Unamortized Discount   0.0
Long-term Debt   $ 123.8