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GOODWILL AND INTANGIBLE ASSETS (Tables)
 12 Months Ended
Dec. 31, 2024
Goodwill and Intangible Assets Disclosure [Abstract]  
Schedule of Changes in Carrying Amount of Goodwill by Reportable Segment Changes in the carrying amount of goodwill by reportable segment for the three years ended December 31 are shown below:
in millionsAggregatesAsphaltConcreteTotal
Goodwill at December 31, 2022$3,330.3 $91.6 $267.7 $3,689.6 
Goodwill of acquired businesses 1
(0.1)0.0 0.0 (0.1)
Goodwill of divested businesses 1
0.0 0.0 (157.8)(157.8)
Goodwill at December 31, 2023$3,330.2 $91.6 $109.9 $3,531.7 
Goodwill of acquired businesses 1
343.0 0.0 0.0 343.0 
Goodwill impairment0.0 0.0 (86.6)(86.6)
Goodwill at December 31, 2024$3,673.2 $91.6 $23.3 $3,788.1 
1See Note 19 for acquisitions and divestitures.
Schedule of Gross Carrying Amount and Accumulated Amortization by Major Intangible Asset Class
The gross carrying amount and accumulated amortization by major intangible asset class for the years ended December 31 are summarized below:
in millions20242023
Gross Carrying Amount
Contractual rights in place $1,899.0 $1,592.7 
Permitting, permitting compliance and zoning rights221.3 206.8 
Other 1
101.6 90.4 
Total gross carrying amount$2,221.9 $1,889.9 
Accumulated Amortization
Contractual rights in place $(407.0)$(344.5)
Permitting, permitting compliance and zoning rights(70.4)(59.5)
Other 1
(29.8)(25.2)
Total accumulated amortization$(507.2)$(429.2)
Total Intangible Assets Subject to Amortization, net$1,714.7 $1,460.7 
Intangible Assets with Indefinite Lives0.0 0.0 
Total Intangible Assets, net$1,714.7 $1,460.7 
Amortization Expense for the Year$83.9 $88.1 
1Includes noncompetition agreements, patents, customer relationships, tradenames and trademarks.
Schedule of Estimated Amortization Expense
Estimated amortization expense for the five years subsequent to December 31, 2024 is as follows:
in millions
Estimated Amortization Expense for Five Subsequent Years 1
2025$89.7 
202688.2 
202785.3 
202883.7 
202981.1 
1Includes amortization of quarry development assets (including pre-production stripping costs) reported within other noncurrent assets in our accompanying Consolidated Balance Sheets.