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Business Combinations - Additional Information (Detail) - USD ($)
12 Months Ended
Apr. 27, 2018
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Business Combinations [Line Items]        
Total revenues   $ 4,244,265,000 $ 3,965,594,000 $ 3,818,749,000
Earnings from operations   690,737,000 700,381,000 677,266,000
Acquisition-related expenses   13,479,000 8,638,000 $ 909,000
Bluegrass Materials Company        
Business Combinations [Line Items]        
Date of acquisition Apr. 27, 2018      
Business acquisition in cash $ 1,617,357,000      
Gain on sale of business     14,785,000  
Company acquired voting interest 100.00%      
Total revenues   172,015,000    
Earnings from operations   32,364,000    
Acquisition-related expenses   $ 28,264,000 8,638,000  
Increase in cost of sales     18,738,000  
Bluegrass Materials Company | Pro Forma        
Business Combinations [Line Items]        
Acquisition-related expenses     $ 28,088,000  
Bluegrass Materials Company | Beaver Creek        
Business Combinations [Line Items]        
Gain on sale of business $ 0      
Bluegrass Materials Company | Forsyth Quarry        
Business Combinations [Line Items]        
Gain on sale of business $ 14,785,000