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Restructuring and Divestiture Charges - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended					9 Months Ended	12 Months Ended
	Jul. 01, 2017	Apr. 01, 2017	Dec. 31, 2016	Sep. 24, 2016	Jun. 25, 2016	Jun. 25, 2016	Sep. 24, 2016
Cynosure
Restructuring Cost and Reserve [Line Items]
Severance charges	$ 4.3	$ 1.5
Bedford [Member]
Restructuring Cost and Reserve [Line Items]
Severance charges	0.0				$ 0.5	$ 1.4	$ 1.7
Facility Closure Costs	$ 1.3		$ 3.5
Restructuring | San Diego [Member]
Restructuring Cost and Reserve [Line Items]
Severance charges				$ 0.9
Restructuring | International [Member]
Restructuring Cost and Reserve [Line Items]
Severance charges					$ 1.0	$ 6.1	$ 7.9

X

- Definition

Represents charges incurred to close or restructure a facility in connection with an exit or disposal activity. Such costs include clean-up costs and lease obligations. Costs are recorded as the activities are incurred except for lease obligation charges, which are recorded upon termination of the lease obligation or at the cease use date.

+ References

No definition available.

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X

- 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 expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

+ 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=66902209&loc=d3e3602-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 2
-Subparagraph (SAB Topic 5.P.4(b))
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140904-122747

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)(10)
-URI http://asc.fasb.org/extlink&oid=65897934&loc=d3e1928-114920

Reference 5: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 420
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SAB Topic 5.P.3)
-URI http://asc.fasb.org/extlink&oid=27011515&loc=d3e140864-122747

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- Details

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