XML 40 R30.htm IDEA: XBRL DOCUMENT v3.20.2
Legal, Environmental and Other Contingencies (Tables)
9 Months Ended
Jun. 30, 2020
Legal, Environmental and Other Contingencies  
Schedule of expected maturities of post-closure monitoring and maintenance activities (discounted)

Expected maturities of post-closure monitoring and maintenance activities (discounted)

    

 

Year Ended September 30,

2021

$

74

2022

 

64

2023

 

81

2024

60

2025 and thereafter

 

229

$

508