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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 805
-SubTopic 30
-Section 50
-Paragraph 1
-Subparagraph (c)(3)
-URI http://asc.fasb.org/extlink&oid=35744584&loc=d3e6927-128479

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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.

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- Definition

Amount of cash outflow, made soon after acquisition date of business combination, to settle contingent consideration liability.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 13
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=109223946&loc=d3e3213-108585

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Fair value measurement - Narrative (Details) - USD ($) $ in Millions		3 Months Ended
	Jul. 09, 2018	Jul. 09, 2018	Jul. 01, 2018	Oct. 02, 2017
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate milestone payment, maximum			$ 335.2
NeoTract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Aggregate milestone payment, maximum			375.0	$ 375.0
Milestone payment			$ 64.2
Subsequent Event \| NeoTract
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Milestone payment	$ 10.8	$ 75.0