Acquired Finite Lived Intangible Assets Weighted Average Useful Life 1

No definition available.

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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.

+ References

No definition available.

+ Details

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- Definition

Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(3)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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- Definition

Amount of increase in assets, excluding financial assets, lacking physical substance with a definite life, from an acquisition.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16265-109275

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Acquisitions (Summary Of Purchase Price Allocated To Intangible Assets And Weighted Average Useful Lives) (Details) - USD ($) $ in Millions			12 Months Ended
	Jun. 01, 2017	May 12, 2017	Sep. 30, 2018
PetMatrix [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 110.4
GloFish [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount		$ 37.8
Tradenames [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (Years)			6 years 2 months 12 days
Tradenames [Member] \| PetMatrix [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 75.0
Weighted Average Useful Life (Years)	Indefinite
Tradenames [Member] \| GloFish [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount		$ 6.1
Weighted Average Useful Life (Years)		Indefinite
Technology Assets [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (Years)			11 years 4 months 24 days
Technology Assets [Member] \| PetMatrix [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 21.0
Weighted Average Useful Life (Years)	14 years
Technology Assets [Member] \| GloFish [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount		$ 30.2
Weighted Average Useful Life (Years)		13 years
Customer Relationships [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Weighted Average Useful Life (Years)			17 years 10 months 24 days
Customer Relationships [Member] \| PetMatrix [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 12.0
Weighted Average Useful Life (Years)	16 years
Customer Relationships [Member] \| GloFish [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount		$ 1.5
Weighted Average Useful Life (Years)		10 years
Noncompete Agreements [Member] \| PetMatrix [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Carrying Amount	$ 2.4
Weighted Average Useful Life (Years)	5 years