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Pension And Postretirement Benefits (Tables)
 9 Months Ended
May. 01, 2016
Defined Benefit Plan Disclosure [Line Items]  
Schedule of Net Benefit Costs [Table Text Block]
Components of net benefit expense (income) were as follows:
 
Three Months Ended
 
Nine Months Ended
 
Pension
 
Postretirement
 
Pension
 
Postretirement
 
May 1,
2016
 
May 3,
2015
 
May 1,
2016
 
May 3,
2015
 
May 1,
2016
 
May 3,
2015
 
May 1,
2016
 
May 3,
2015
Service cost
$
6

 
$
8

 
$
—

 
$
1

 
$
20

 
$
22

 
$
1

 
$
2

Interest cost
24

 
26

 
4

 
3

 
74

 
79

 
12

 
11

Expected return on plan assets
(36
)
 
(43
)
 
—

 
—

 
(111
)
 
(130
)
 
—

 
—

Amortization of prior service costs
(1
)
 
(1
)
 
—

 
—

 
(1
)
 
(1
)
 
(1
)
 
(1
)
Recognized net actuarial (gain)/loss
61

 
5

 
—

 
22

 
173

 
5

 
—

 
22

Curtailment loss
—

 
1

 
—

 
6

 
—

 
1

 
—

 
6

Net periodic benefit expense (income)
$
54

 
$
(4
)
 
$
4

 
$
32

 
$
155

 
$
(24
)
 
$
12

 
$
40