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Changes in Accumulated Other Comprehensive Loss (Tables)
9 Months Ended
Oct. 31, 2015
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]  
Summary of changes in AOCL by component (net of tax)
Changes in AOCL by component (net of tax) are summarized as follows (in thousands): 
 
 
Defined Benefit Pension Plan Items
 
 
Three Months Ended
 
Nine Months Ended
 
 
October 31, 2015
 
November 1, 2014
 
October 31,
2015
 
November 1,
2014
Beginning balance
 
$
29,886

 
$
23,253

 
$
31,029

 
$
24,074

 
 
 
 
 
 
 
 
 
Other comprehensive income before reclassifications
 

 

 

 

Amounts reclassified from AOCL
 
(572
)
 
(411
)
 
(1,715
)
 
(1,232
)
Net other comprehensive income
 
(572
)
 
(411
)
 
(1,715
)
 
(1,232
)
 
 
 
 
 
 
 
 
 
Ending balance
 
$
29,314

 
$
22,842

 
$
29,314

 
$
22,842