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Derivative Instruments (Tables)
 9 Months Ended
Oct. 28, 2017
Derivative [Line Items]  
Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]
Our outstanding derivative instrument contracts were comprised of the following:
(In thousands)
October 28, 2017
 
January 28, 2017
Diesel fuel collars (in gallons)
4,400
 
4,425
Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]
The fair value of our outstanding derivative instrument contracts was as follows:
(In thousands)
 
Assets (Liabilities)
Derivative Instrument
Balance Sheet Location
October 28, 2017
 
January 28, 2017
Diesel fuel collars
Other current assets
$
190

 
$
135

 
Other assets
291

 
180

 
Accrued operating expenses
(273
)
 
(1,001
)
 
Other liabilities
(255
)
 
(322
)
Total derivative instruments
 
$
(47
)
 
$
(1,008
)
Derivative Instruments, Gain (Loss) [Table Text Block]
The effect of derivative instruments on the consolidated statements of operations was as follows:
 
 
Amount of Gain (Loss)
(In thousands)
 
Third Quarter
 
Year-to-Date
Derivative Instrument
Statements of Operations Location
2017
 
2016
 
2017
 
2016
Diesel fuel collars
 
 
 
 
 
 
 
 
Realized
Other income (expense)
$
(180
)
 
$
(483
)
 
$
(678
)
 
$
(1,845
)
Unrealized
Other income (expense)
611

 
1,180

 
961

 
2,844

Total derivative instruments
 
$
431

 
$
697

 
$
283

 
$
999