SEGMENT REPORTING (Tables)	12 Months Ended
Dec. 31, 2021
SEGMENT REPORTING [Abstract]
Segment Financial Disclosure	in millions2021 2020 2019 Total Revenues Aggregates 1$ 4,345.0 $ 3,944.3 $ 3,990.3 Asphalt 2 777.8 792.6 855.8 Concrete 766.8 383.6 395.6 Calcium 6.9 7.7 8.2 Segment sales$ 5,896.5 $ 5,128.2 $ 5,249.9 Aggregates intersegment sales (344.3) (271.4) (320.8) Total revenues$ 5,552.2 $ 4,856.8 $ 4,929.1 Gross Profit Aggregates$ 1,295.7 $ 1,159.2 $ 1,146.6 Asphalt 21.2 75.2 63.0 Concrete 54.3 44.2 43.2 Calcium 2.2 2.9 3.1 Total $ 1,373.4 $ 1,281.5 $ 1,255.9 Depreciation, Depletion, Accretion & Amortization (DDA&A) Aggregates$ 360.4 $ 321.1 $ 305.1 Asphalt 36.0 35.0 35.2 Concrete 41.5 16.0 13.6 Calcium 0.2 0.2 0.2 Other 24.9 24.5 20.5 Total$ 463.0 $ 396.8 $ 374.6 Capital Expenditures 3 Aggregates$ 423.1 $ 331.9 $ 383.4 Asphalt 9.3 19.8 9.1 Concrete 18.1 11.7 11.6 Calcium 0.0 0.0 0.0 Corporate 0.0 0.0 0.2 Total$ 450.5 $ 363.4 $ 404.3 Identifiable Assets 4, 5 Aggregates$ 10,917.8 $ 9,459.2 $ 9,334.2 Asphalt 602.0 573.1 558.4 Concrete 1,680.2 305.5 325.1 Calcium 4.0 3.3 3.7 Total identifiable assets$ 13,204.0 $ 10,341.1 $ 10,221.4 General corporate 237.1 147.8 152.9 Cash and cash equivalents and restricted cash 241.5 1,198.0 274.5 Total assets$ 13,682.6 $ 11,686.9 $ 10,648.8 1Includes product sales, as well as freight & delivery costs that we pass along to our customers, and service revenues (see Note 2) related to aggregates.2Includes product sales, as well as service revenues (see Note 2) from our asphalt construction paving business. 3Capital expenditures include capitalized replacements of and additions to property, plant & equipment, including renewals and betterments. Capital expenditures exclude property, plant & equipment obtained by business acquisitions.4Certain 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.5The 2021 increases in Aggregates, Concrete and General corporate Identifiable Assets are largely attributable to the U.S. Concrete acquisition (see Note 19).

SEGMENT REPORTING (Tables)

12 Months Ended

Dec. 31, 2021

in millions2021 2020 2019 Total Revenues Aggregates 1$ 4,345.0 $ 3,944.3 $ 3,990.3 Asphalt 2 777.8 792.6 855.8 Concrete 766.8 383.6 395.6 Calcium 6.9 7.7 8.2 Segment sales$ 5,896.5 $ 5,128.2 $ 5,249.9 Aggregates intersegment sales (344.3) (271.4) (320.8) Total revenues$ 5,552.2 $ 4,856.8 $ 4,929.1 Gross Profit Aggregates$ 1,295.7 $ 1,159.2 $ 1,146.6 Asphalt 21.2 75.2 63.0 Concrete 54.3 44.2 43.2 Calcium 2.2 2.9 3.1 Total $ 1,373.4 $ 1,281.5 $ 1,255.9 Depreciation, Depletion, Accretion & Amortization (DDA&A) Aggregates$ 360.4 $ 321.1 $ 305.1 Asphalt 36.0 35.0 35.2 Concrete 41.5 16.0 13.6 Calcium 0.2 0.2 0.2 Other 24.9 24.5 20.5 Total$ 463.0 $ 396.8 $ 374.6 Capital Expenditures 3 Aggregates$ 423.1 $ 331.9 $ 383.4 Asphalt 9.3 19.8 9.1 Concrete 18.1 11.7 11.6 Calcium 0.0 0.0 0.0 Corporate 0.0 0.0 0.2 Total$ 450.5 $ 363.4 $ 404.3 Identifiable Assets 4, 5 Aggregates$ 10,917.8 $ 9,459.2 $ 9,334.2 Asphalt 602.0 573.1 558.4 Concrete 1,680.2 305.5 325.1 Calcium 4.0 3.3 3.7 Total identifiable assets$ 13,204.0 $ 10,341.1 $ 10,221.4 General corporate 237.1 147.8 152.9 Cash and cash equivalents and restricted cash 241.5 1,198.0 274.5 Total assets$ 13,682.6 $ 11,686.9 $ 10,648.8 1Includes product sales, as well as freight & delivery costs that we pass along to our customers, and service revenues (see Note 2) related to aggregates.2Includes product sales, as well as service revenues (see Note 2) from our asphalt construction paving business. 3Capital expenditures include capitalized replacements of and additions to property, plant & equipment, including renewals and betterments. Capital expenditures exclude property, plant & equipment obtained by business acquisitions.4Certain 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.5The 2021 increases in Aggregates, Concrete and General corporate Identifiable Assets are largely attributable to the U.S. Concrete acquisition (see Note 19).