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Employee Benefit Plans (Tables)
 6 Months Ended
Aug. 31, 2013
Compensation and Retirement Disclosure [Abstract]  
Components of net periodic benefit cost
Components of net periodic benefit cost for the plans for the three and six-month periods ended August 31, 2013 and September 1, 2012, were as follows: 
 
Three Months Ended
 
Six Months Ended
(In thousands)
August 31,
2013
 
September 1,
2012
 
August 31,
2013
 
September 1,
2012
Interest cost
$
134

 
$
142

 
$
268

 
$
284

Expected return on assets
(46
)
 
(44
)
 
(92
)
 
(88
)
Amortization of unrecognized net loss
23

 
53

 
82

 
106

Net periodic benefit cost
$
111

 
$
151

 
$
258

 
$
302