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Retirement And Other Benefit Plans (Tables)
 6 Months Ended
Aug. 01, 2015
Compensation and Retirement Disclosure [Abstract]  
Schedule Of Components Of Net Periodic Benefit (Income) Cost
The following tables set forth the components of net periodic benefit income for the Company, including domestic and Canadian plans:

 
Pension Benefits
Other Postretirement Benefits
 
Thirteen Weeks Ended
Thirteen Weeks Ended
($ thousands)
August 1, 2015

August 2, 2014

August 1, 2015

August 2, 2014

Service cost
$
2,993

$
2,239

$
—

$
—

Interest cost
3,578

3,560

14

12

Expected return on assets
(8,190
)
(6,197
)
—

—

Amortization of:
 

 

 

 

Actuarial loss (gain)
143

67

(63
)
(132
)
Prior service (income) expense
(481
)
6

—

—

Total net periodic benefit income
$
(1,957
)
$
(325
)
$
(49
)
$
(120
)
 
 
 
 
 
 
Pension Benefits
Other Postretirement Benefits
 
Twenty-six Weeks Ended
Twenty-six Weeks Ended
($ thousands)
August 1, 2015

August 2, 2014

August 1, 2015

August 2, 2014

Service cost
$
6,322

$
4,826

$
—

$
—

Interest cost
7,164

7,116

28

24

Expected return on assets
(15,845
)
(12,381
)
—

—

Amortization of:
 

 

 

 

Actuarial loss (gain)
309

102

(111
)
(217
)
Prior service (income) expense
(956
)
14

—

—

Total net periodic benefit income
$
(3,006
)
$
(323
)
$
(83
)
$
(193
)