XML 92 R77.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
16. Leases (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Lessee, Lease, Description [Line Items]      
Unrecorded Unconditional Purchase Obligation $ 1,600    
Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract 4 years    
Deferred Tax Assets, Other $ 26,000 $ 27,100  
U.S. 1,034,000 363,400 $ 72,800
Operating Leases, Rent Expense, Net   47,400 $ 43,600
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year 41,000    
Finance Lease, Liability, Payments, Remainder of Fiscal Year $ 1,100    
Operating Lease, Weighted Average Remaining Lease Term 9 years    
Property, Plant and Equipment, Gross $ 1,382,172 1,326,829  
Operating lease right-of-use asset 201,868 0  
Operating Lease, Payments 47,200    
Capital Leases, Future Minimum Payments Due in Three Years   500  
Operating Leases, Future Minimum Payments Due, Next Twelve Months   44,400  
Operating Leases, Future Minimum Payments, Due in Two Years   37,800  
Operating leases, due in three years   27,400  
Operating Lease, Cost 51,400    
Finance Lease, Right-of-Use Asset, Amortization 600    
Finance Lease, Interest Expense 900    
Finance Lease Cost 1,500    
Sublease Income 3,000    
Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals   17,800  
Operating Leases, Future Minimum Payments, Due in Four Years   19,700  
Operating Leases, Future Minimum Payments, Due in Five Years   13,900  
Operating Leases, Future Minimum Payments, Due Thereafter   25,600  
Capital Leases, Future Minimum Payments Due, Next Twelve Months   500  
Capital Leases, Future Minimum Payments Due in Two Years   200  
Capital Leases, Future Minimum Payments Due in Four Years   400  
Capital Leases, Future Minimum Payments Due in Five Years   400  
Capital Leases, Future Minimum Payments Due Thereafter   9,900  
Finance Lease, Interest Payment on Liability 900    
Finance Lease, Principal Payments 600    
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability 28,700    
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability 200    
Current operating lease liabilities 35,365 0  
Operating lease liabilities 176,018 0  
Less: accumulated depreciation and amortization (882,833) (818,139)  
Current maturities of long-term debt and notes payable 500    
Finance Lease, Liability, Noncurrent 11,200    
Property, plant and equipment, net 499,339 508,690  
Operating Lease, Liability $ 211,400    
Finance Lease, Weighted Average Remaining Lease Term 18 years    
Operating Lease, Weighted Average Discount Rate, Percent 4.20%    
Finance Lease, Weighted Average Discount Rate, Percent 6.50%    
Lessee, Operating Lease, Liability, Payments, Due Year Two $ 35,800    
Finance Lease, Liability, Payments, Due Year Two 1,300    
Lessee, Operating Lease, Liability, Payments, Due Year Three 28,600    
Finance Lease, Liability, Payments, Due Year Three 1,200    
Lessee, Operating Lease, Liability, Payments, Due Year Four 24,500    
Finance Lease, Liability, Payments, Due Year Four 1,100    
Lessee, Operating Lease, Liability, Payments, Due Year Five 21,800    
Finance Lease, Liability, Payments, Due Year Five 1,100    
Lessee, Operating Lease, Liability, Payments, Due after Year Five 103,700    
Finance Lease, Liability, Payments, Due after Year Five 15,200    
Lessee, Operating Lease, Liability, Payments, Due 255,400    
Finance Lease, Liability, Payment, Due 21,000    
Lessee, Operating Lease, Liability, Undiscounted Excess Amount (44,000)    
Finance Lease, Liability, Undiscounted Excess Amount (9,300)    
Finance Lease, Liability $ 11,700    
Maximum [Member]      
Lessee, Lease, Description [Line Items]      
Lessee Operating And Finance Leases Remaining Lease Term 19 years    
Minimum [Member]      
Lessee, Lease, Description [Line Items]      
Lessee Operating And Finance Leases Remaining Lease Term 1 year    
Finance Lease [Member]      
Lessee, Lease, Description [Line Items]      
Property, Plant and Equipment, Gross $ 11,400    
Less: accumulated depreciation and amortization (4,200)    
Property, plant and equipment, net 7,200    
Operating lease obligations [Member]      
Lessee, Lease, Description [Line Items]      
Deferred Tax Assets, Other $ 48,600 $ 0