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Legal, Environmental and Other Contingencies (Tables)
6 Months Ended
Mar. 31, 2018
Legal, Environmental and Other Contingencies  
Schedule of expected maturities of post-closure monitoring and maintenance activities (discounted)

 

 

 

 

2019

$

54

 

2020

 

52

 

2021

 

60

 

2022

 

50

 

2023 and thereafter

 

315

 

 

$

531