XML 30 R12.htm IDEA: XBRL DOCUMENT v3.22.1
PROPERTY, PLANT AND EQUIPMENT
 12 Months Ended
Mar. 31, 2022
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,

 

 

 

2022

 

 

2021

 

 

 

(dollars in thousands)

 

Land and Quarries

 

$

231,499

 

 

$

217,439

 

Plants

 

 

2,380,926

 

 

 

2,363,937

 

Buildings, Machinery, and Equipment

 

 

194,753

 

 

 

180,340

 

Construction in Progress

 

 

50,270

 

 

 

23,097

 

 

 

 

2,857,448

 

 

 

2,784,813

 

Accumulated Depreciation

 

 

(1,240,909

)

 

 

(1,125,713

)

 

 

$

1,616,539

 

 

$

1,659,100