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Note 7 - Property, Plant and Equipment, Net (Tables)
3 Months Ended
Sep. 27, 2015
Property, Plant and Equipment [Abstract]  
Property, Plant and Equipment [Table Text Block]
   

September 27, 2015

   

June 28, 2015

 

Land

  $ 3,048     $ 2,413  

Land improvements

    11,687       11,709  

Buildings and improvements

    141,680       141,259  

Assets under capital leases

    21,525       17,371  

Machinery and equipment

    525,280       531,225  

Computers, software and office equipment

    16,578       16,782  

Transportation equipment

    4,558       4,736  

Construction in progress

    14,947       6,710  

Gross property, plant and equipment

    739,303       732,205  

Less: accumulated depreciation

    (588,700 )     (595,094 )

Less: accumulated amortization – capital leases

    (1,328 )     (889 )

Total property, plant and equipment, net

  $ 149,275     $ 136,222  
Schedule of Capital Leased Assets [Table Text Block]
   

September 27, 2015

   

June 28, 2015

 

Machinery and equipment

  $ 14,745     $ 12,804  

Transportation equipment

    5,927       3,714  

Building improvements

    853       853  

Gross assets under capital leases

  $ 21,525     $ 17,371  
Internal Software Development Costs [Table Text Block]
   

September 27, 2015

   

June 28, 2015

 

Internal software development costs

  $ 2,499     $ 2,473  

Accumulated amortization

    (2,259 )     (2,221 )

Net internal software development costs

  $ 240     $ 252  
Other Property, Plant and Equipment Costs and Expenses [Table Text Block]
   

For the Three Months Ended

 
   

September 27, 2015

   

September 28, 2014

 

Depreciation expense

  $ 3,804     $ 3,828  

Internal software development costs amortization

    38       34  

Repair and maintenance expenses

    4,496       4,658  

Capitalized interest

    76       47