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Restructuring and Realignment Events (Tables)
 6 Months Ended
Jan. 31, 2017
Restructuring And Related Activities [Abstract]  
Accrued Liability Associated with Restructuring and Other Related Charges

At January 31, 2017, the accrued liability associated with restructuring and other related charges consisted of the following (in thousands):

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Employee

 

 

Decommissioning

 

 

 

 

 

 

 

 

 

 

 

Costs

 

 

and Environmental

 

 

Other

 

 

Total

 

Accrued liability at August 1, 2016

 

$

721

 

 

$

36

 

 

$

—

 

 

$

757

 

Payments

 

 

(196

)

 

 

(19

)

 

 

(6

)

 

 

(221

)

Adjustment

 

 

(27

)

 

 

—

 

 

 

6

 

 

 

(21

)

Accrued liability at January 31, 2017

 

$

498

 

 

$

17

 

 

$

—

 

 

$

515

 

 
Schedule of Changes in Asset Retirement Obligation Associated with Realignment

The changes to the asset retirement obligation associated with this realignment during the six months ended January 31, 2017 are as follows (in thousands):

 

 

 

 

 

 

Asset retirement obligation at August 1, 2016

 

$

168

 

Charges

 

 

—

 

Payments

 

 

(3

)

Asset retirement obligation at January 31, 2017

 

$

165