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Restructuring and Realignment Events (Tables)
 6 Months Ended
Jan. 31, 2018
Restructuring And Related Activities [Abstract]  
Accrued Liability Associated with Restructuring and Other Related Charges

At January 31, 2018, the accrued liability associated with restructuring and other related charges consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

Decommissioning

 

 

 

 

 

 

 

and Environmental

 

 

Total

 

Accrued liability at August 1, 2017

 

$

77

 

 

$

77

 

Payments

 

 

(36

)

 

 

(36

)

Adjustments

 

 

(41

)

 

 

(41

)

Accrued liability at January 31, 2018

 

$

—

 

 

$

—