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Property, Plant And Equipment (Tables)
6 Months Ended
Mar. 31, 2012
Property, Plant And Equipment [Abstract]  
Schedule Of Property, Plant And Equipment
    March 31,   October 1,
    2012   2011
Land, buildings and improvements $ 153,824 $ 143,254
Machinery and equipment   294,746   278,807
Computer hardware and software   87,244   83,373
Construction in progress   36,331   40,553
    572,145   545,987
Less: accumulated depreciation   318,319   298,171
  $ 253,826 $ 247,816