SEGMENT REPORTING (Tables)	9 Months Ended
Sep. 30, 2021
SEGMENT REPORTING [Abstract]
Segment Financial Disclosure	Three Months Ended Nine Months Ended September 30 September 30in thousands2021 2020 2021 2020 Total Revenues Aggregates 1$ 1,172,409 $ 1,048,962 $ 3,192,685 $ 2,987,784 Asphalt 2 220,652 235,201 580,396 597,940 Concrete 219,225 102,807 396,785 298,255 Calcium 1,474 1,354 5,494 5,269 Segment sales$ 1,613,760 $ 1,388,324 $ 4,175,360 $ 3,889,248 Aggregates intersegment sales (97,254) (78,434) (229,463) (207,541) Total revenues$ 1,516,506 $ 1,309,890 $ 3,945,897 $ 3,681,707 Gross Profit Aggregates$ 372,346 $ 337,891 $ 969,817 $ 883,184 Asphalt 7,075 30,217 17,616 58,246 Concrete 14,301 12,157 32,362 35,597 Calcium 339 233 1,896 1,713 Total $ 394,061 $ 380,498 $ 1,021,691 $ 978,740 Depreciation, Depletion, Accretion and Amortization (DDA&A) Aggregates$ 93,344 $ 82,487 $ 258,480 $ 240,370 Asphalt 8,956 8,644 27,111 26,046 Concrete 8,655 3,987 16,633 12,070 Calcium 38 49 116 146 Other 6,524 5,795 18,652 17,280 Total$ 117,517 $ 100,962 $ 320,992 $ 295,912 Identifiable Assets 3 Aggregates $ 10,940,545 $ 9,497,041 Asphalt 617,794 559,416 Concrete 1,720,748 315,349 Calcium 3,896 3,611 Total identifiable assets $ 13,282,983 $ 10,375,417 General corporate assets 268,589 130,386 Cash and cash equivalents and restricted cash 136,430 1,084,730 Total assets $ 13,688,002 $ 11,590,533 1Includes product sales (crushed stone, sand and gravel, sand, and other aggregates), as well as freight & delivery costs that we pass along to our customers, and service revenues (see Note 4) related to aggregates.2Includes product sales, as well as service revenues (see Note 4) from our asphalt construction paving business. 3Certain temporarily idled assets are included within a segment's Identifiable Assets but the associated DDA&A is shown within Other in the DDA&A section above as the related DDA&A is excluded from segment gross profit.

SEGMENT REPORTING (Tables)

9 Months Ended

Sep. 30, 2021

Three Months Ended Nine Months Ended September 30 September 30in thousands2021 2020 2021 2020 Total Revenues Aggregates 1$ 1,172,409 $ 1,048,962 $ 3,192,685 $ 2,987,784 Asphalt 2 220,652 235,201 580,396 597,940 Concrete 219,225 102,807 396,785 298,255 Calcium 1,474 1,354 5,494 5,269 Segment sales$ 1,613,760 $ 1,388,324 $ 4,175,360 $ 3,889,248 Aggregates intersegment sales (97,254) (78,434) (229,463) (207,541) Total revenues$ 1,516,506 $ 1,309,890 $ 3,945,897 $ 3,681,707 Gross Profit Aggregates$ 372,346 $ 337,891 $ 969,817 $ 883,184 Asphalt 7,075 30,217 17,616 58,246 Concrete 14,301 12,157 32,362 35,597 Calcium 339 233 1,896 1,713 Total $ 394,061 $ 380,498 $ 1,021,691 $ 978,740 Depreciation, Depletion, Accretion and Amortization (DDA&A) Aggregates$ 93,344 $ 82,487 $ 258,480 $ 240,370 Asphalt 8,956 8,644 27,111 26,046 Concrete 8,655 3,987 16,633 12,070 Calcium 38 49 116 146 Other 6,524 5,795 18,652 17,280 Total$ 117,517 $ 100,962 $ 320,992 $ 295,912 Identifiable Assets 3 Aggregates $ 10,940,545 $ 9,497,041 Asphalt 617,794 559,416 Concrete 1,720,748 315,349 Calcium 3,896 3,611 Total identifiable assets $ 13,282,983 $ 10,375,417 General corporate assets 268,589 130,386 Cash and cash equivalents and restricted cash 136,430 1,084,730 Total assets $ 13,688,002 $ 11,590,533 1Includes product sales (crushed stone, sand and gravel, sand, and other aggregates), as well as freight & delivery costs that we pass along to our customers, and service revenues (see Note 4) related to aggregates.2Includes product sales, as well as service revenues (see Note 4) from our asphalt construction paving business. 3Certain temporarily idled assets are included within a segment's Identifiable Assets but the associated DDA&A is shown within Other in the DDA&A section above as the related DDA&A is excluded from segment gross profit.