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PROPERTY, PLANT AND EQUIPMENT, INTANGIBLE ASSETS AND GOODWILL - Schedule Of Future Amortization Expense (Detail)
$ in Thousands
Sep. 30, 2018
USD ($)
Property, Plant and Equipment [Abstract]  
2019 $ 45,875
2020 39,144
2021 34,303
2022 29,153
2023 $ 21,377