| Schedule of Revenue by Major Geographic Area, and by Significant Product and Service Offerings | 
 Revenue, classified by the major geographic areas in which our customers are located, was as follows: 
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Three Months Ended September 30, | 
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Nine Months Ended September 30, | 
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| (in thousands) | 
2024 | 
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2023 | 
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2024 | 
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2023 | 
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| United States | 
$ | 
850,253 
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$ | 
782,073  | 
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$ | 
2,371,952 
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$ | 
2,155,237  | 
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| Other countries | 
66,017 
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58,354  | 
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184,587 
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163,955  | 
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| Total Revenues | 
$ | 
916,270 
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$ | 
840,427  | 
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$ | 
2,556,539 
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$ | 
2,319,192  | 
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Revenue from external customers, classified by significant product and service offerings, was as follows: 
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Three Months Ended September 30, | 
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Nine Months Ended September 30, | 
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| (in thousands) | 
2024 | 
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2023 | 
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2024 | 
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2023 | 
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| Residential revenue | 
$ | 
428,290 
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$ | 
402,559  | 
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$ | 
1,166,042 
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$ | 
1,069,403  | 
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| Commercial revenue | 
299,633 
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273,865  | 
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845,517 
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767,472  | 
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| Termite completions, bait monitoring, & renewals | 
177,674 
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155,135  | 
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515,758 
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457,664  | 
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| Franchise revenues | 
4,282 
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4,292  | 
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12,688 
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12,386  | 
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| Other revenues | 
6,391 
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4,576  | 
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16,534 
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12,267  | 
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| Total Revenues | 
$ | 
916,270 
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$ | 
840,427  | 
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$ | 
2,556,539 
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$ | 
2,319,192  | 
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| Schedule of Changes in Unearned Revenue | 
Changes in unearned revenue were as follows:
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Three Months Ended September 30, | 
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Nine Months Ended September 30, | 
 
| (in thousands) | 
2024 | 
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2023 | 
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2024 | 
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2023 | 
 
| Beginning balance | 
$ | 
233,899 
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$ | 
218,274  | 
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$ | 
210,059 
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$ | 
187,994  | 
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| Deferral of unearned revenue | 
69,980 
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61,354  | 
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219,145 
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204,891  | 
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| Recognition of unearned revenue | 
(63,819) | 
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(59,375) | 
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(189,144) | 
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(172,632) | 
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| Ending balance | 
$ | 
240,060 
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$ | 
220,253  | 
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$ | 
240,060 
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$ | 
220,253  | 
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