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Fair Value of Financial Instruments (Tables)
 3 Months Ended
Mar. 30, 2013
Fair Value Disclosures [Abstract]  
Fair value of assets and liabilities
The following tables present the fair value and hierarchy levels for the Company's assets and liabilities, which are measured at fair value on a recurring basis as of the following periods:
In thousands
Level 1
 
Level 2
 
Level 3
 
March 30, 2013
Assets
 
 
 
 
 
 
 
Firm commitment
$
—

 
$
1,309

 
$
—

 
$
1,309

 
 
 
 
 
 
 
 
Liabilities
 
 
 
 
 
 
 
Hygiene contracts
—

 
(1,309
)
 
—

 
(1,309
)
 
In thousands
Level 1
 
Level 2
 
Level 3
 
December 29, 2012
Assets
 
 
 
 
 
 
 
Firm commitment
$
—

 
$
1,248

 
$
—

 
$
1,248

 
 
 
 
 
 
 
 
Liabilities
 
 
 
 
 
 
 
Hygiene contracts
—

 
(1,248
)
 
—

 
(1,248
)