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No definition available.

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Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
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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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Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Mar. 28, 2020	Dec. 28, 2019	Mar. 30, 2019	Mar. 28, 2020	Mar. 30, 2019
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ 9.8
Intangible asset and equipment impairment charges		$ 30.2		$ 30.2	$ 443.8
Borrowed principal	1,000.0			1,000.0
Credit Agreement
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Borrowed principal	2,200.0			2,200.0
2025 Senior Notes
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair value of debt instrument	947.6			947.6
2028 Senior Notes
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Fair value of debt instrument	402.1			$ 402.1
Medical Aesthetics
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Intangible asset and equipment impairment charges	$ 30.2	$ 30.2	$ 443.8
Acquired intangible assets [Member] \| Medical Aesthetics
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Intangible asset and equipment impairment charges			437.0
Equipment [Member] \| Medical Aesthetics
Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items]
Intangible asset and equipment impairment charges			$ 6.8