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.

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Date when the business acquisition agreement was executed, in CCYY-MM-DD format.

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No definition available.

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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.

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No definition available.

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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For contingent consideration arrangements recognized in connection with a business combination, this element represents an estimate of the high-end of the potential range (undiscounted) of the consideration which may be paid.

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For contingent consideration arrangements and indemnification assets recognized in connection with a business combination, this element represents an estimate of the low-end of the potential range (undiscounted) of the consideration which may be paid.

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Amount of liability recognized arising from contingent consideration in a business combination.

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Amount of intangible assets, excluding goodwill, acquired at the acquisition date.

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Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform.

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Amount of increase in asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized resulting from a business combination.

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The cash outflow associated with the investment in or advances to an entity in which the reporting entity shares control of the entity with another party or group.

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Percentage of subsidiary's or equity method investee's stock owned by parent immediately after all stock transactions.

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No definition available.

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Business Combinations (Details) - USD ($) $ in Millions		6 Months Ended	12 Months Ended
Business Combinations (Details) - USD ($) $ in Millions	Oct. 07, 2016	Apr. 01, 2016	Sep. 30, 2016	Oct. 02, 2015	Oct. 03, 2014
Business Acquisition [Line Items]
Merger termination fee			$ 88.5	$ 0.0	$ 0.0
Consideration transferred			55.6
Contingent consideration arrangements, low range of outcomes			0.0
Contingent consideration arrangements, high range of outcomes			10.0
Contingent consideration liability recorded for business combinations			7.4
Goodwill, Acquired During Period			16.6	$ 3.3
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill			35.5
Payments to Acquire Interest in Joint Venture			$ 76.5
Subsidiary or Equity Method Investee, Cumulative Percentage Ownership after All Transactions			100.00%
Subsequent Event [Member]
Business Acquisition [Line Items]
Consideration transferred	$ 14.4
Contingent consideration arrangements, low range of outcomes	0.0
Contingent consideration arrangements, high range of outcomes	$ 20.0
Business Acquisition, Date of Acquisition Agreement	Oct. 07, 2016
Customer Relationships [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life		4 years