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Workers' Compensation Claims - Summarizes Aggregate Workers' Compensation Reserve Activity (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Workers Compensation Reserve [Abstract] |  |  |  |
Workers' compensation claims liabilities, Beginning balance | $ 149,630 | $ 191,823 | $ 167,763 | $ 215,987
Add: claims expense accrual |  |  |  |
Current period | 2,358 | 3,792 | 9,657 | 11,636
Prior periods | (4,272) | (4,098) | (9,094) | (6,792)
Total claims expense incurred | (1,914) | (306) | 563 | 4,844
Less: claim payments related to |  |  |  |
Current period | 1,063 | 1,240 | 3,582 | 2,005
Prior periods | 9,493 | 12,244 | 27,716 | 41,532
Total claim payments | 10,556 | 13,484 | 31,298 | 43,537
Change in claims incurred in excess of retention limits | (357) | (231) | (225) | 508
Workers' compensation claims liabilities, Ending balance | $ 136,803 | $ 177,802 | $ 136,803 | $ 177,802

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- Definition Carrying value as of the balance sheet date of obligations and payables pertaining to claims incurred of a workers compensation nature. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(20)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(24)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 942 -SubTopic 210 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(15)(5)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478546/942-210-S99-1 + Details
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