Goodwill - Changes in Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands |
12 Months Ended | |||
|---|---|---|---|---|
Sep. 29, 2018 |
Sep. 30, 2017 |
Sep. 24, 2016 |
Sep. 27, 2014 |
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| Goodwill [Line Items] | ||||
| Goodwill | $ 690,738 | $ 665,836 | $ 640,946 | $ 618,650 |
| Accumulated impairment losses | (409,561) | (409,561) | (409,561) | (409,561) |
| Total goodwill | 281,177 | 256,275 | 231,385 | 209,089 |
| Additions in fiscal year | 24,902 | 25,890 | 22,296 | |
| Write off related to sale of business | (1,000) | |||
| Garden Products Segment | ||||
| Goodwill [Line Items] | ||||
| Goodwill | 226,471 | 219,056 | 219,056 | 213,583 |
| Accumulated impairment losses | (213,583) | (213,583) | (213,583) | (213,583) |
| Total goodwill | 12,888 | 5,473 | 5,473 | 0 |
| Additions in fiscal year | 7,415 | 5,473 | ||
| Write off related to sale of business | ||||
| Pet Products Segment | ||||
| Goodwill [Line Items] | ||||
| Goodwill | 464,267 | 446,780 | 421,890 | 405,067 |
| Accumulated impairment losses | (195,978) | (195,978) | (195,978) | (195,978) |
| Total goodwill | 268,289 | 250,802 | 225,912 | $ 209,089 |
| Additions in fiscal year | $ 17,487 | 25,890 | $ 16,823 | |
| Write off related to sale of business | $ (1,000) | |||
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- Definition Goodwill acquisitions purchase price and purchase accounting adjustments. No definition available.
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of accumulated impairment loss for an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of divestiture of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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