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Commitments and Contingencies (Tables)
 6 Months Ended
Jun. 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 EndedSix Months Ended
June 30,June 30,
2022202120222021
Warranty liabilities, beginning of period$106,640 $83,807 $107,117 $82,744 
Reserves provided23,866 21,464 43,558 38,808 
Payments(22,655)(18,312)(42,329)(33,804)
Other adjustments2,754 800 2,259 11 
Warranty liabilities, end of period$110,605 $87,759 $110,605 $87,759 
Summary of Changes in Self-Insurance Liability Changes in these liabilities were as follows ($000's omitted):
Three Months EndedSix Months Ended
June 30,June 30,
2022202120222021
Balance, beginning of period$644,278 $653,068 $627,067 $641,779 
Reserves provided23,705 22,907 43,542 42,449 
Adjustments to previously recorded reserves1,919 (49,136)4,058 (55,218)
Payments, net (a)
(17,216)(6,222)(21,981)(8,393)
Balance, end of period$652,686 $620,617 $652,686 $620,617 

(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 June 30, 2022 were as follows ($000's omitted):
Years Ending December 31,
2022 (a)
$11,513 
202324,413 
202417,513 
202512,084 
20268,934 
Thereafter20,369 
Total lease payments (b)
94,826 
Less: Interest (c)
(7,641)
Present value of lease liabilities (d)
$87,185 

(a)Remaining payments are for the six months ending December 31, 2022.
(b)Lease payments include options to extend lease terms that are reasonably certain of being exercised and exclude $2.5 million of legally binding minimum lease payments for leases signed but not yet commenced at June 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 June 30, 2022.