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Reconciliation of Beginning and Ending Liability Balances Showing Charges to Expense, Cash Payments and Other Adjustments (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Oct. 31, 2012
Restructuring Reserve [Roll Forward]  
Beginning balance, October 31, 2011 $ 722
Charges to expense, continuing operations 9,003
Cash payments (9,038)
Other adjustments (87)
Ending balance, October 31, 2012 600
Employee Termination Costs
 
Restructuring Reserve [Roll Forward]  
Beginning balance, October 31, 2011 0
Cash payments (3,199)
Other adjustments 0
Ending balance, October 31, 2012 173
Facility consolidation closing
 
Restructuring Reserve [Roll Forward]  
Beginning balance, October 31, 2011 0
Cash payments (5,530)
Other adjustments (26)
Ending balance, October 31, 2012 65
Contract termination and other exit costs
 
Restructuring Reserve [Roll Forward]  
Beginning balance, October 31, 2011 722
Charges to expense, continuing operations 10
Cash payments (309)
Other adjustments (61)
Ending balance, October 31, 2012 362
IG Spacer [Member] | Employee Termination Costs
 
Restructuring Reserve [Roll Forward]  
Charges to expense, continuing operations 3,372
IG Spacer [Member] | Facility consolidation closing
 
Restructuring Reserve [Roll Forward]  
Charges to expense, continuing operations $ 5,621