GOODWILL AND INTANGIBLE ASSETS (Tables)

12 Months Ended

Dec. 31, 2022

GOODWILL AND INTANGIBLE ASSETS [Abstract]

Changes in Carrying Amount of Goodwill by Reportable Segment

in millions	Aggregates	Asphalt	Concrete	Calcium	Total
Goodwill
Totals at December 31, 2020	$      3,080.5	$         91.6	$           0.0	$           0.0	$      3,172.1
Goodwill of acquired businesses 1	236.1	0.0	288.5	0.0	524.6
Totals at December 31, 2021	$      3,316.6	$         91.6	$       288.5	$           0.0	$      3,696.7
Goodwill of acquired businesses 1	13.7	0.0	30.1	0.0	43.8
Goodwill impairment	0.0	0.0	(50.9)	0.0	(50.9)
Totals at December 31, 2022	$      3,330.3	$         91.6	$       267.7	$           0.0	$      3,689.6

¹ See Note 19 for a summary of recent acquisitions.

Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class

in millions	2022	2021
Gross Carrying Amount
Contractual rights in place	$       1,771.5	$      1,765.0
Permitting, permitting compliance and zoning rights	191.1	156.5
Other 1	116.5	115.0
Total gross carrying amount	$       2,079.1	$      2,036.5
Accumulated Amortization
Contractual rights in place	$         (302.9)	$        (230.9)
Permitting, permitting compliance and zoning rights	(49.0)	(39.1)
Other 1	(25.1)	(17.5)
Total accumulated amortization	$         (377.0)	$        (287.5)
Total Intangible Assets Subject to Amortization, net	$       1,702.1	$      1,749.0
Intangible Assets with Indefinite Lives	0.0	0.0
Total Intangible Assets, net	1,702.1	1,749.0
Amortization Expense for the Year	$            97.6	$           68.2

¹ Includes noncompetition agreements, patents, customer relationships, tradenames and trademarks.

Estimated Amortization Expense

in millions
Estimated Amortization Expense for Five Subsequent Years
2023	$           86.9
2024	85.1
2025	83.3
2026	83.0
2027	82.5