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Changes in Carrying Values of Goodwill (Detail) $ in Thousands	12 Months Ended
	Dec. 29, 2018 USD ($)
Goodwill [Line Items]
Beginning balance	$ 156,281
Ending balance	152,519
Kurbo Health, Inc and Franchisee Acquisition
Goodwill [Line Items]
Beginning balance	156,281
Goodwill acquired during the period	1,101
Effect of exchange rate changes	(4,863)
Ending balance	152,519
Kurbo Health, Inc and Franchisee Acquisition | North America
Goodwill [Line Items]
Beginning balance	140,389
Goodwill acquired during the period	1,101
Effect of exchange rate changes	(3,334)
Ending balance	138,156
Kurbo Health, Inc and Franchisee Acquisition | Continental Europe
Goodwill [Line Items]
Beginning balance	7,759
Goodwill acquired during the period	0
Effect of exchange rate changes	(517)
Ending balance	7,242
Kurbo Health, Inc and Franchisee Acquisition | United Kingdom
Goodwill [Line Items]
Beginning balance	1,253
Goodwill acquired during the period	0
Effect of exchange rate changes	(75)
Ending balance	1,178
Kurbo Health, Inc and Franchisee Acquisition | Other
Goodwill [Line Items]
Beginning balance	6,880
Goodwill acquired during the period	0
Effect of exchange rate changes	(937)
Ending balance	$ 5,943

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

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