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Commitments and Contingencies (Tables)
 9 Months Ended
Sep. 30, 2022
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,
2022202120222021
Warranty liabilities, beginning of period$110,605 $87,759 $107,117 $82,744 
Reserves provided22,840 22,993 66,398 61,801 
Payments(23,137)(19,346)(65,466)(53,150)
Other adjustments24 317 2,283 328 
Warranty liabilities, end of period$110,332 $91,723 $110,332 $91,723 
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,
2022202120222021
Balance, beginning of period$652,686 $620,617 $627,067 $641,779 
Reserves provided31,134 21,569 74,676 64,018 
Adjustments to previously recorded reserves(2,169)(1,349)1,889 (56,567)
Payments, net (a)
(2,358)(16,175)(24,339)(24,568)
Balance, end of period$679,293 $624,662 $679,293 $624,662 

(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, 2022 were as follows ($000's omitted):
Years Ending December 31,
2022 (a)
$6,437 
202324,807 
202417,922 
202512,657 
20269,519 
Thereafter22,000 
Total lease payments (b)
93,342 
Less: Interest (c)
(7,476)
Present value of lease liabilities (d)
$85,866 

(a)Remaining payments are for the three months ending December 31, 2022.
(b)Lease payments include options to extend lease terms that are reasonably certain of being exercised and exclude $2.0 million of legally binding minimum lease payments for leases signed but not yet commenced at September 30, 2022.
(c)Our leases do not provide a readily determinable implicit rate. Therefore, 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 5.2 years and 5.5%, respectively, at September 30, 2022.