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CONTRACTS IN PROGRESS (Tables)
 12 Months Ended
Mar. 31, 2018
Recognised Revenue From Construction Contracts [Abstract]  
Disclosure of revenue from contracts with customers
 
 
2018

 
2017

Contracts in progress: assets
 
$
401.6

 
$
337.5

Contracts in progress: liabilities
 
(161.8
)
 
(191.9
)
Contracts in progress: net assets
 
$
239.8

 
$
145.6



Details of contracts in progress are as follows:

 
2018

 
2017

Aggregate amount of costs incurred plus recognized
 
 

 
 

profits (less recognized losses) to date
 
$
2,694.6

 
$
2,800.1

Less: progress billings
 
2,454.8

 
2,654.5

Contracts in progress: net assets
 
$
239.8

 
$
145.6