v2.4.0.8
Pension and Other Employee Benefits - Components of Net Periodic Benefit Cost and Related Actuarial Assumptions (Detail) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Sep. 28, 2013
Sep. 29, 2012
Sep. 24, 2011
Other Liabilities Disclosure [Abstract]      
Service cost         
Interest cost 354 391 389
Expected return on plan assets         
Amortization of prior service cost         
Recognized net actuarial gain   (38)  
Net periodic benefit cost $ 354 $ 353 $ 389