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Changes in Carrying Values of Goodwill (Detail) $ in Thousands	6 Months Ended
	Jun. 29, 2019 USD ($)
Goodwill [Line Items]
Beginning balance	$ 152,519
Ending balance	154,058
Kurbo Health, Inc.
Goodwill [Line Items]
Beginning balance	152,519
Effect of exchange rate changes	1,539
Ending balance	154,058
Kurbo Health, Inc. | North America
Goodwill [Line Items]
Beginning balance	138,156
Effect of exchange rate changes	1,646
Ending balance	139,802
Kurbo Health, Inc. | Continental Europe
Goodwill [Line Items]
Beginning balance	7,242
Effect of exchange rate changes	(144)
Ending balance	7,098
Kurbo Health, Inc. | United Kingdom
Goodwill [Line Items]
Beginning balance	1,178
Effect of exchange rate changes	0
Ending balance	1,178
Kurbo Health, Inc. | Other
Goodwill [Line Items]
Beginning balance	5,943
Effect of exchange rate changes	37
Ending balance	$ 5,980

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset representing future economic benefits from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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