Quarterly report pursuant to Section 13 or 15(d)

ACQUISITION OF AK STEEL - Assets and Liabilities Assumed (Details)

v3.20.2
ACQUISITION OF AK STEEL - Assets and Liabilities Assumed (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2020
Sep. 30, 2020
Mar. 31, 2020
Dec. 31, 2019
Business Acquisition [Line Items]          
Goodwill $ 144.0 $ 144.0 $ 144.0   $ 2.1
AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Cash and cash equivalents 39.7 39.7 39.7 $ 37.7  
Accounts receivable 662.9 662.9 662.9 666.0  
Inventories 1,523.0 1,523.0 1,523.0 1,562.8  
Other current assets 52.1 52.1 52.1 67.5  
Property, plant and equipment 2,164.3 2,164.3 2,164.3 2,184.4  
Intangible assets 148.0 148.0 148.0 163.0  
Right of use asset, operating leases 209.6 209.6 209.6 225.9  
Other non-current assets 112.1 112.1 112.1 85.9  
Accounts payable (642.4) (642.4) (642.4) (636.3)  
Accrued liabilities (222.4) (222.4) (222.4) (222.5)  
Other current liabilities (175.2) (175.2) (175.2) (181.8)  
Long-term debt (1,179.4) (1,179.4) (1,179.4) (1,179.4)  
Deferred income taxes (19.9) (19.9) (19.9) (19.7)  
Operating lease liability, non-current (175.4) (175.4) (175.4) (188.1)  
Intangible liabilities (70.5) (70.5) (70.5) (140.0)  
Pension and OPEB liabilities (870.9) (870.9) (870.9) (873.0)  
Asset retirement obligations (15.9) (15.9) (15.9) (13.9)  
Other non-current liabilities (146.5) (146.5) (146.5) (144.2)  
Net identifiable assets acquired 1,393.2 1,393.2 1,393.2 1,394.3  
Goodwill 141.9 141.9 141.9 141.2  
Total net assets acquired 1,535.1 1,535.1 1,535.1 $ 1,535.5  
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Net Identifiable Assets   (1.1)      
Goodwill, Purchase Accounting Adjustments   0.7      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred   (0.4)      
Cash and Cash Equivalents [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets   2.0      
Accounts Receivable [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets   (3.1)      
Inventories [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory   (39.8)      
Other Current Assets [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets   (15.4)      
Property, Plant and Equipment [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Property, Plant, and Equipment   (20.1)      
Finite-Lived Intangible Assets [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles   (15.0)      
Right-of-use asset, operating lease [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets   (16.3)      
Other Noncurrent Assets [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Assets   26.2      
Accounts Payable [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   (6.1)      
Accrued Liabilities [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   0.1      
Other Current Liabilities [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   6.6      
Long-term Debt [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   0.0      
Deferred income taxes [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   (0.2)      
Operating lease liability, non-current [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   12.7      
Intangible liabilities [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Intangibles   69.5      
Pension and OPEB liabilities [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   2.1      
Asset Retirement Obligation [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   (2.0)      
Other Noncurrent Liabilities [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   $ (2.3)      
Cost of Sales [Member] | AK Steel Holding Corporation [Member]          
Business Acquisition [Line Items]          
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period $ 0.2   $ 8.0