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Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2023
Commitments and Contingencies Disclosure [Abstract]  
Summary of Changes in Warranty Liability Changes to warranty liabilities were as follows ($000’s omitted):
Three Months EndedNine Months Ended
September 30,September 30,
2023202220232022
Warranty liabilities, beginning of period$106,136 $110,605 $108,348 $107,117 
Reserves provided29,412 22,840 74,598 66,398 
Payments(24,984)(23,137)(75,313)(65,466)
Other adjustments1,747 24 4,678 2,283 
Warranty liabilities, end of period$112,311 $110,332 $112,311 $110,332 
Summary of Changes in Self-Insurance Liability Changes in these liabilities were as follows ($000's omitted):
Three Months EndedNine Months Ended
September 30,September 30,
2023202220232022
Balance, beginning of period$605,192 $652,686 $635,857 $627,067 
Reserves provided20,578 31,134 70,050 74,676 
Adjustments to previously recorded reserves(789)(2,169)(66,209)1,889 
Payments, net (a)
(2,000)(2,358)(16,717)(24,339)
Balance, end of period$622,981 $679,293 $622,981 $679,293 

(a)    Includes net changes in amounts expected to be recovered from our insurance carriers, which are recorded in other assets (see below).
Schedule of Future Minimum Lease Payments Required Under Leases
The future minimum lease payments required under our leases as of September 30, 2023 were as follows ($000's omitted):
Years Ending December 31,
2023 (a)
$9,235 
202425,010 
202517,320 
202612,885 
202710,240 
Thereafter17,256 
Total lease payments (b)
91,946 
Less: Interest (c)
(7,147)
Present value of lease liabilities (d)
$84,799 

(a)Remaining payments are for the three months ending December 31, 2023.
(b)Lease payments include options to extend lease terms that are reasonably certain of being exercised and exclude $6.2 million of legally binding minimum lease payments for leases signed but not yet commenced at September 30, 2023.
(c)Our leases do not provide a readily determinable implicit rate. As a result, we must estimate our discount rate for such leases to determine the present value of lease payments at the lease commencement date.
(d)The weighted average remaining lease term and weighted average discount rate used in calculating our lease liabilities were 4.8 years and 3.8%, respectively, at September 30, 2023.