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Leases (Tables)
 12 Months Ended
Dec. 31, 2021
Leases [Abstract]  
Components of Lease Cost, Supplemental Cash Flow, and Balance Sheet, and Lease Assumptions
The components of lease costs were as follows:
Years Ended December 31,
 202120202019
Operating Lease Costs:
Fixed$54,397 $52,875 $52,317 
Variable6,281 5,973 6,584 
Short-term 17,847 18,436 17,387 
Total(1)
$78,525 $77,284 $76,288 
(1) Finance lease cost and sublease income were immaterial.

Supplemental cash flow information related to leases was as follows:
Years Ended December 31,
 202120202019
Cash paid for amounts included in the measurement of lease liabilities:
Operating cash flows for operating leases$55,921 $53,903 $53,450 
Operating cash flows for finance leases357434 425 
Financing cash flows for finance leases3,0732,523 1,915 
Total$59,351 $56,860 $55,790 
Right-of-use assets obtained in exchange for lease obligations:
Operating leases$47,666 $21,381 $41,598 
Financing leases2,0163,708 1,542 
Total$49,682 $25,089 $43,140 
Supplemental balance sheet information related to leases were as follows:
 December 31, 2021December 31, 2020
Operating Leases
Right-of-use assets:
 Other assets and deferred charges$169,022 $170,089 
Lease liabilities:
  Other accrued expenses$43,086 $48,834 
  Other liabilities134,448 133,989 
Total operating lease liabilities$177,534 $182,823 
Finance Leases
  Right-of-use assets:
    Property, plant and equipment, net (1)
$8,588 $10,388 
Lease liabilities:
   Other accrued expenses$2,475 $2,641 
   Other liabilities6,767 8,709 
Total financing lease liabilities$9,242 $11,350 
(1) Finance lease right-of-use assets are recorded net of accumulated depreciation of $7,675 and $7,205 for the years ended December 31, 2021 and December 31, 2020, respectively.
Average lease terms and discount rates were as follows:
December 31, 2021December 31, 2020December 31, 2019
Weighted-average remaining lease term (years)
Operating leases5.85.95.9
Finance leases4.24.85.9
Weighted-average discount rate
Operating leases2.7%2.9%3.2%
Finance leases3.4%3.6%4.1%
Maturity of Operating Lease Liability
The aggregate future lease payments for operating and finance leases as of December 31, 2021 were as follows:
 OperatingFinance
2022$47,649 $2,822 
202335,713 2,372 
202428,124 1,845 
202523,756 1,433 
202616,058 1,204 
Thereafter39,539 767 
Total lease payments190,839 10,443 
Less interest(13,305)(1,201)
Present value of lease liabilities$177,534 $9,242 
Maturity of Finance Lease Liability
The aggregate future lease payments for operating and finance leases as of December 31, 2021 were as follows:
 OperatingFinance
2022$47,649 $2,822 
202335,713 2,372 
202428,124 1,845 
202523,756 1,433 
202616,058 1,204 
Thereafter39,539 767 
Total lease payments190,839 10,443 
Less interest(13,305)(1,201)
Present value of lease liabilities$177,534 $9,242