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The pro forma net Income or Loss for the period as if the business combination or combinations had been completed at the beginning of a period.

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The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period.

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Amount recognized as of the acquisition date for the identifiable assets acquired in excess of (less than) the aggregate liabilities assumed.

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Amount of expected cost remaining for the specified restructuring cost.

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CHANGES IN BUSINESS (Details) $ in Thousands	3 Months Ended
CHANGES IN BUSINESS (Details) $ in Thousands	Nov. 30, 2019 USD ($)	Nov. 30, 2018 USD ($)	Nov. 30, 2017 USD ($)	Nov. 05, 2018 USD ($) fabrication_facility
Business Combinations [Abstract]
Number of rebar fabrication facilities acquired \| fabrication_facility				33
Cash purchase price				$ 701,200
Pro forma net sales		$ 1,557,032	$ 1,417,583
Pro forma net earnings (loss)		38,059	$ (4,749)
Non-recurring acquisition and integration costs		$ 43,300
Facility closure costs	$ 6,300
Remaining liability for facility closure	$ 3,900