Annual report pursuant to Section 13 and 15(d)

Acquisitions and Investments in Joint Ventures - Additional Information (Detail)

v3.3.1.900
Acquisitions and Investments in Joint Ventures - Additional Information (Detail)
$ in Thousands
1 Months Ended
Dec. 30, 2014
USD ($)
JointVenture
Dec. 31, 2012
USD ($)
Sep. 26, 2015
USD ($)
Jul. 31, 2015
USD ($)
Sep. 27, 2014
USD ($)
Apr. 01, 2014
USD ($)
Sep. 28, 2013
USD ($)
Sep. 29, 2012
USD ($)
Business Acquisition [Line Items]                
Investment in joint ventures $ 16,000              
Number of joint ventures | JointVenture 2              
Percentage of equity interest in joint venture     50.00%          
Excess of purchase price included in deferred taxes and other assets     $ 49,731   $ 48,488      
Excess of purchase price included in goodwill     209,089   $ 208,233   $ 205,756 $ 210,223
Two newly formed entities [Member]                
Business Acquisition [Line Items]                
Percentage of equity interest in joint venture 50.00%              
Envincio, LLC [Member]                
Business Acquisition [Line Items]                
Purchase of certain assets           $ 20,300    
Excess of purchase price included in goodwill           $ 3,333    
FourStar Microbial [Member]                
Business Acquisition [Line Items]                
Assets acquired during the period   $ 4,800            
Contingent future performance-based payments   4,200            
Excess of purchase price recorded as goodwill   $ 3,200            
IMS Trading Corp [Member]                
Business Acquisition [Line Items]                
Purchase of certain assets       $ 23,000        
Excess of purchase price included in deferred taxes and other assets     $ 4,900