Annual report pursuant to Section 13 and 15(d)

Goodwill - Changes in Carrying Amount of Goodwill (Detail)

v3.3.1.900
Goodwill - Changes in Carrying Amount of Goodwill (Detail) - USD ($)
$ in Thousands
 12 Months Ended
Sep. 26, 2015
Sep. 27, 2014
Sep. 28, 2013
Sep. 29, 2012
Goodwill [Line Items]        
Additions in fiscal year $ 856 $ 2,477 $ 3,242  
Impairment losses in fiscal year     (7,709)  
Goodwill 618,650 617,794 615,317 $ 612,075
Accumulated impairment losses (409,561) (409,561) (409,561) (401,852)
Total goodwill 209,089 208,233 205,756 210,223
Garden Products Segment [Member]        
Goodwill [Line Items]        
Additions in fiscal year 0 0 0  
Impairment losses in fiscal year     (7,709)  
Goodwill 213,583 213,583 213,583 213,583
Accumulated impairment losses (213,583) (213,583) (213,583) (205,874)
Total goodwill 0 0 0 7,709
Pet Products Segment [Member]        
Goodwill [Line Items]        
Additions in fiscal year 856 2,477 3,242  
Impairment losses in fiscal year     0  
Goodwill 405,067 404,211 401,734 398,492
Accumulated impairment losses (195,978) (195,978) (195,978) (195,978)
Total goodwill $ 209,089 $ 208,233 $ 205,756 $ 202,514