Basis of Presentation - Schedule of Revision of Prior Period Financial Statements - Consolidated Statement of Cash Flows (Detail) - USD ($) $ in Thousands	6 Months Ended	12 Months Ended
Jun. 29, 2019	Jun. 30, 2018	Dec. 29, 2018
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Accounts receivable	$ 21,500	$ (33,648)	$ (61,413)
Accrued compensation and other liabilities	(8,836)	(12,788)	(672)
Net cash used in operating activities	$ 36,548	45,605	78,112
As Previously Reported [Member] \| ASU 2014-09 [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Accounts receivable		(40,180)	(66,403)
Accrued compensation and other liabilities		(6,256)	4,318
Net cash used in operating activities		45,605	78,112
Adjustment [Member] \| ASU 2014-09 [Member]
Error Corrections And Prior Period Adjustments Restatement [Line Items]
Accounts receivable		6,532	4,990
Accrued compensation and other liabilities		$ (6,532)	$ (4,990)

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- Definition

The increase (decrease) during the reporting period in amount due within one year (or one business cycle) from customers for the credit sale of goods and services.

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-Publisher FASB
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-Topic 230
-SubTopic 10
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The increase (decrease) during the reporting period in the aggregate amount of obligations related to services received from employees, such as accrued salaries and bonuses, payroll taxes and fringe benefits.

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Amount of cash inflow (outflow) from operating activities, including discontinued operations. Operating activity cash flows include transactions, adjustments, and changes in value not defined as investing or financing activities.

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