Annual report pursuant to Section 13 and 15(d)

Business Segment Data - Financial Information Relating to Company's Business Segments (Parenthetical) (Detail)

v2.4.0.8
Business Segment Data - Financial Information Relating to Company's Business Segments (Parenthetical) (Detail) (USD $)
3 Months Ended 12 Months Ended
Sep. 28, 2013
Sep. 28, 2013
Sep. 29, 2012
Sep. 24, 2011
Segment Reporting [Abstract]        
Goodwill impairment $ 7,709,000 $ 7,709,000 $ 0 $ 0
Charge related to new products $ 11,200,000 $ 11,200,000