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Property and Equipment, Net - Additional Information (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Sep. 27, 2014 | Sep. 28, 2013 | Sep. 29, 2012
Property Plant and Equipment Useful Life And Values [Abstract] |  |  |
Depreciation and amortization expense, including the amortization of intangible assets | $ 35,781 | $ 32,968 | $ 30,425

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Namespace Prefix: | cent_
Data Type: | xbrli:stringItemType
Balance Type: | na
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- Definition The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3602-108585 + Details
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