Quarterly report pursuant to Section 13 or 15(d)

Note 9 - Restructuring charges (Detail) - Change in Restructuring Accrual for 2012 Restructuring Plan

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Note 9 - Restructuring charges (Detail) - Change in Restructuring Accrual for 2012 Restructuring Plan (USD $)
In Thousands, unless otherwise specified
3 Months Ended 9 Months Ended 3 Months Ended 6 Months Ended 3 Months Ended 3 Months Ended 6 Months Ended
Apr. 01, 2012
Oct. 02, 2011
Sep. 30, 2012
Oct. 02, 2011
Apr. 01, 2012
Employee Severance [Member]
Plan 2012 [Member]
Sep. 30, 2012
Employee Severance [Member]
Plan 2012 [Member]
Jan. 01, 2012
Employee Severance [Member]
Plan 2012 [Member]
Apr. 01, 2012
Facility Closing [Member]
Plan 2012 [Member]
Sep. 30, 2012
Facility Closing [Member]
Plan 2012 [Member]
Jan. 01, 2012
Facility Closing [Member]
Plan 2012 [Member]
Apr. 01, 2012
Total 2012 Plan [Member]
Plan 2012 [Member]
Sep. 30, 2012
Total 2012 Plan [Member]
Plan 2012 [Member]
Jan. 01, 2012
Total 2012 Plan [Member]
Plan 2012 [Member]
2012 Plan                          
Balance     $ 158   $ 70   $ 0 $ 255 $ 255 $ 0 $ 325 $ 255 $ 0
Charges 196       196                
Charges 255             255          
Charges   686 451 2,793             451    
Payments         (126) (70)         (126) (70)  
Payments         $ (126) $ (70)         $ (126) $ (70)