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Equity and Noncontrolling Interest (Tables)
 6 Months Ended
Apr. 26, 2013
Equity [Abstract]  
Changes in consolidated equity attributable to noncontrolling interest
Changes in equity attributable to the noncontrolling interest consisted of the following:
 
Quarter Ended
 
Six Months Ended
(in thousands)
April 27,
2012
 
April 27,
2012
Beginning balance
$
430,652

 
$
—

Acquisition of controlling interest in IMM
—

 
437,654

Comprehensive income:
 
 
 
Net income attributable to noncontrolling interest
33

 
142

Currency translation adjustment attributable to noncontrolling interest
4

 
4

Total comprehensive income
37

 
146

Purchase of IMM shares from noncontrolling interest
(414,302
)
 
(421,413
)
Ending balance
$
16,387

 
$
16,387