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PROPERTY, PLANT AND EQUIPMENT
12 Months Ended
Mar. 31, 2020
Property Plant And Equipment [Abstract]  
PROPERTY, PLANT AND EQUIPMENT

(D) Property, Plant, and Equipment

Cost by major category and Accumulated Depreciation are summarized as follows:

 

 

 

March 31,

 

 

 

2020

 

 

2019

 

 

 

(dollars in thousands)

 

Land and Quarries

 

$

431,242

 

 

$

379,337

 

Plants

 

 

2,483,246

 

 

 

2,006,870

 

Buildings, Machinery and Equipment

 

 

255,758

 

 

 

219,556

 

Construction in Progress

 

 

30,406

 

 

 

85,886

 

 

 

 

3,200,652

 

 

 

2,691,649

 

Accumulated Depreciation

 

 

(1,438,543

)

 

 

(1,264,710

)

 

 

$

1,762,109

 

 

$

1,426,939