XML 53 R40.htm IDEA: XBRL DOCUMENT v3.21.2
LEASES: (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Leases    
Lessee, operating lease, option to extend false  
Lessee, operating lease, option to terminate false  
The weighted average remaining lease term 9 years  
The weighted average discount rate 3.69%  
Total lease expense $ 57.4 $ 57.7
Maturities of lease liabilities    
2021 57.3  
2022 113.7  
2023 112.2  
2024 104.8  
2025 103.7  
After 2025 723.0  
Total lease payments 1,214.7  
Less: interest on lease liabilities (270.4)  
Lease liabilities 944.3  
Cost of sales (exclusive of depreciation, amortization and depletion)    
Leases    
Total lease expense 57.2 57.5
Selling, general and administrative    
Leases    
Total lease expense 0.1 0.1
Exploration    
Leases    
Total lease expense $ 0.1 $ 0.1
Minimum    
Leases    
Remaining lease terms 2 years  
Maximum    
Leases    
Remaining lease terms 12 years  
Short term lease costs $ 0.1