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BUSINESS SEGMENTS - Schedule of Segment Financial Information (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Segment Reporting Information [Line Items] |  |  |  |
Service revenue | $ 1,289,779 | $ 1,076,092 | $ 3,678,233 | $ 3,111,151
Rental revenue | 6,626 | 5,684 | 18,982 | 17,082
TOTAL REVENUE | 1,296,405 | 1,081,776 | 3,697,215 | 3,128,233
Depreciation and amortization | 26,633 | 21,474 | 76,606 | 61,619
Interest expense | 1,971 | 2,024 | 6,033 | 6,028
All other not included in segment income | (56,148) | (37,089) | (148,854) | (119,039)
Income before provision for income taxes | 106,600 | 98,674 | 325,538 | 280,336
Operating segments |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Service revenue | 1,239,096 | 1,033,113 | 3,536,226 | 2,994,000
Rental revenue | 32,610 | 24,429 | 92,479 | 69,984
TOTAL REVENUE | 1,271,706 | 1,057,542 | 3,628,705 | 3,063,984
Segment income (loss) | 162,748 | 135,763 | 474,392 | 399,375
Operating segments | Skilled Services |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Service revenue | 1,239,096 | 1,033,113 | 3,536,226 | 2,994,000
Rental revenue | 0 | 0 | 0 | 0
TOTAL REVENUE | 1,239,096 | 1,033,113 | 3,536,226 | 2,994,000
Other segment items | 1,071,815 | 893,083 | 3,048,047 | 2,583,529
Depreciation and amortization | 14,155 | 11,541 | 41,118 | 32,988
Interest expense | 0 | 0 | 0 | 0
Segment income (loss) | 153,126 | 128,489 | 447,061 | 377,483
Operating segments | Standard Bearer |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Service revenue | 0 | 0 | 0 | 0
Rental revenue | 32,610 | 24,429 | 92,479 | 69,984
TOTAL REVENUE | 32,610 | 24,429 | 92,479 | 69,984
Other segment items | 2,959 | 2,420 | 8,331 | 6,686
Depreciation and amortization | 9,709 | 7,484 | 27,450 | 21,479
Interest expense | 10,320 | 7,251 | 29,367 | 19,927
Segment income (loss) | 9,622 | 7,274 | 27,331 | 21,892
Other |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Service revenue | 57,377 | 48,209 | 160,978 | 132,175
Rental revenue | 3,201 | 2,935 | 9,358 | 8,880
TOTAL REVENUE | 60,578 | 51,144 | 170,336 | 141,055
Intercompany Elimination |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Service revenue | (6,694) | (5,230) | (18,971) | (15,024)
Rental revenue | (29,185) | (21,680) | (82,855) | (61,782)
TOTAL REVENUE | (35,879) | (26,910) | (101,826) | (76,806)
Other segment items | (35,879) | (26,910) | (101,826) | (76,806)
Interest expense | $ (9,090) | $ (5,535) | $ (25,153) | $ (14,818)

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