Annual report pursuant to Section 13 and 15(d)

Goodwill - Additional Information (Detail)

v2.4.0.8
Goodwill - Additional Information (Detail) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 12 Months Ended
Sep. 28, 2013
Sep. 28, 2013
Segment
Sep. 29, 2012
Sep. 24, 2011
Goodwill And Intangible Assets Disclosure [Abstract]        
Number of reportable segments   4    
Impairment losses in fiscal year $ 7,709 $ 7,709 $ 0 $ 0
Fair value of reporting segment exceeds carrying value, percentage     10.00% 10.00%