v2.4.0.8
Restructuring and Divestiture Charges - Charges Taken Related to Accrued Restructuring Actions (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Restructuring Cost and Reserve [Line Items]    
Non-cash impairment charges $ (7,667) $ (16,901)
Fiscal 2012 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges   36,579
Non-cash impairment charges   (16,901)
Stock compensation   (3,500)
Severance payments   (2,629)
Other payments   (3,002)
Acquired   83
Foreign exchange and other adjustments   113
Balance   10,743
Fiscal 2013 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges 32,693  
Non-cash impairment charges (54)  
Stock compensation (7,917)  
Severance payments (21,438)  
Other payments (1,678)  
Foreign exchange and other adjustments (10)  
Balance 12,339  
Abandonment of Adiana Product Line [Member] | Fiscal 2012 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges   19,543
Non-cash impairment charges   (16,316)
Severance payments   (128)
Other payments   (2,572)
Balance   527
Abandonment of Adiana Product Line [Member] | Fiscal 2013 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Other payments (527)  
Consolidation of Diagnostics Operations [Member] | Fiscal 2012 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges   14,787
Non-cash impairment charges   (585)
Stock compensation   (3,500)
Severance payments   (2,423)
Acquired   83
Foreign exchange and other adjustments   22
Balance   8,384
Consolidation of Diagnostics Operations [Member] | Fiscal 2013 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges 13,950  
Stock compensation (6,322)  
Severance payments (13,068)  
Foreign exchange and other adjustments (2)  
Balance 2,942  
Closure of Indianapolis Facility [Member] | Fiscal 2012 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges   1,779
Balance   1,779
Closure of Indianapolis Facility [Member] | Fiscal 2013 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges 5,629  
Severance payments (3,048)  
Other payments (566)  
Balance 3,794  
Fiscal 2013 Actions [Member] | Fiscal 2013 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges 11,374  
Stock compensation (1,595)  
Severance payments (4,425)  
Other payments (25)  
Foreign exchange and other adjustments (14)  
Balance 5,315  
Other Operating Cost Reductions [Member] | Fiscal 2012 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges   470
Severance payments   (78)
Other payments   (430)
Foreign exchange and other adjustments   91
Balance   53
Other Operating Cost Reductions [Member] | Fiscal 2013 Charges [Member] | Restructuring [Member]
   
Restructuring Cost and Reserve [Line Items]    
Total fiscal charges 1,740  
Non-cash impairment charges (54)  
Severance payments (897)  
Other payments (560)  
Foreign exchange and other adjustments 6  
Balance $ 288