ÐÇ¿Õ´«Ã½

Annual report pursuant to Section 13 and 15(d)

DEBT AND CREDIT FACILITIES (Narrative) (Details)

v3.19.3.a.u2
DEBT AND CREDIT FACILITIES (Narrative) (Details)
$ / shares in Units, shares in Millions
12 Months Ended
Dec. 31, 2019
USD ($)
$ / shares
Dec. 31, 2018
USD ($)
$ / shares
Dec. 31, 2017
USD ($)
$ / shares
shares
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Par Value $ 2,238,000,000.0 Ìý Ìý
Common shares, par value | $ / shares $ 0.125 $ 0.125 Ìý
Debt Extinguished $ 724,000,000.0 $ 227,400,000 $ 1,610,700,000
Net proceeds from issuance of common shares $ 0 0 $ 661,300,000
$400 Million 4.875% 2024 Senior Notes [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 4.875% Ìý Ìý
Repurchase price if triggering event occurs 101.00% Ìý Ìý
Debt Instrument, Par Value $ 400,000,000.0 400,000,000.0 Ìý
$316.25 Million 1.50% 2025 Senior Notes [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 1.50% Ìý Ìý
Debt Instrument, Par Value $ 316,300,000 $ 316,300,000 Ìý
Common shares, par value | $ / shares $ 0.125 Ìý Ìý
Debt Instrument, Convertible, Threshold Trading Days 20 Ìý Ìý
Debt Instrument, Convertible, Threshold Consecutive Trading Days 30 Ìý Ìý
Convertible debt, principal increment $ 1,000 Ìý Ìý
Convertible debt, initial conversion price | $ / shares $ 8.17 Ìý Ìý
Debt Instrument, Convertible, Conversion Ratio 126.3479 122.4365 Ìý
Debt Instrument, Redemption Price, Percentage 100.00% Ìý Ìý
$316.25 Million 1.50% 2025 Senior Notes [Member] | Minimum [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 130.00% Ìý Ìý
$316.25 Million 1.50% 2025 Senior Notes [Member] | Maximum [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Convertible, Threshold Percentage of Stock Price Trigger 98.00% Ìý Ìý
$1.075 Billion 5.75% 2025 Senior Notes [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 5.75% Ìý Ìý
Debt Instrument, Par Value $ 473,300,000 $ 1,073,300,000 Ìý
Debt Instrument, Redemption Price, Percentage 100.00% Ìý Ìý
Amount in aggregate that can be redeemed on or prior to March 1, 2020 0.35 Ìý Ìý
Redemption Price of 35 percent or less of Outstanding 1.0575 Ìý Ìý
Debt Extinguished $ 600,000,000.0 1,700,000 Ìý
$750 Million 5.875% 2027 Senior Notes [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 5.875% Ìý Ìý
Repurchase price if triggering event occurs 101.00% Ìý Ìý
Debt Instrument, Par Value $ 750,000,000.0 Ìý Ìý
Debt issuance, discount rate 96.125% Ìý Ìý
Debt Issuance Costs, Gross $ 6,800,000 Ìý Ìý
$800 Million 6.25% 2040 Senior Notes [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Interest Rate, Stated Percentage 6.25% Ìý Ìý
Debt Instrument, Par Value $ 298,400,000 298,400,000 Ìý
Debt Instrument, Redemption Price, Percentage 100.00% Ìý Ìý
Basis points 40 Ìý Ìý
$800 Million 6.25% 2040 Senior Notes [Member] | Minimum [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Time Period During Which Senior Notes May Be Redeemed at Company's Option, Number of Days From When Prior Notice Sent to Holders 30 years Ìý Ìý
$800 Million 6.25% 2040 Senior Notes [Member] | Maximum [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Time Period During Which Senior Notes May Be Redeemed at Company's Option, Number of Days From When Prior Notice Sent to Holders 60 years Ìý Ìý
ABL Facility [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Par Value $ 450,000,000.0 $ 450,000,000.0 Ìý
Sublimit for Issuers of Letters of Credit for U.S. Tranche 248,800,000 Ìý Ìý
Sublimit for U.S. Swingline Loans $ 100,000,000.0 Ìý Ìý
Fixed Charge Coverage Ratio 1.0 Ìý Ìý
Equity [Member] | $316.25 Million 1.50% 2025 Senior Notes [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Convertible debt, equity component $ 85,900,000 Ìý Ìý
Federal Funds Rate [Member] | ABL Facility [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Basis Spread on Variable Rate 0.50% Ìý Ìý
London Interbank Offered Rate (LIBOR) [Member] | ABL Facility [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Basis Spread on Variable Rate 1.00% Ìý Ìý
Prime Rate [Member] | ABL Facility [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Debt Instrument, Basis Spread on Variable Rate 1.00% Ìý Ìý
Common Stock [Member] Ìý Ìý Ìý
Debt Instrument [Line Items] Ìý Ìý Ìý
Equity offering (in shares) | shares Ìý Ìý 63.3
Common stock, shares issued, price per share | $ / shares Ìý Ìý $ 10.75