Income Taxes - Additional Information (Detail)	12 Months Ended
	Dec. 28, 2019 USD ($)	Dec. 29, 2018 USD ($) Subsidiary	Jan. 03, 2015 USD ($)	Dec. 31, 2012 USD ($)	Dec. 30, 2017 USD ($)
Income Taxes [Line Items]
Non-cash income tax benefit	$ 3,359,000	$ (7,176,000)
Income tax receivables	156,000
Provision for deferred income tax	1,661,000	$ (7,909,000)
Number of subsidiaries | Subsidiary		7
Undistributed earnings from non-U.S. operations	1.5
Unrecognized tax benefits	7,683,000	$ 6,164,000			$ 5,678,000
Unrecognized tax benefits that would impact effective tax rate	8,000
Unrecognized net tax expense (benefit) for interest	0	2,000
Accrued interest related to unrealized tax benefits	2,000
Deposit for contested taxes and related interest		723,000
Singapore
Income Taxes [Line Items]
Income tax benefit from valuation allowance			$ 9,400,000
Non-cash income tax benefit		7,900,000
Internal Revenue Service (IRS)
Income Taxes [Line Items]
Net operating loss carryforwards	$ 70,500,000
Net operating loss carryforwards, expiration year	2028
Tax credit carryforwards	$ 18,000,000
Tax credit carryforwards, expiration year	2020
Inland Revenue, Singapore (IRAS)
Income Taxes [Line Items]
Deposit for contested taxes and related interest	$ 732,000
United States
Income Taxes [Line Items]
Income tax benefit from valuation allowance	689,000	$ 930,000		$ 23,400,000
Foreign Tax Authority
Income Taxes [Line Items]
Net operating loss carryforwards	35,300,000
State and Local Jurisdiction
Income Taxes [Line Items]
Net operating loss carryforwards	$ 70,500,000
Net operating loss carryforwards, expiration year	2028
Tax credit carryforwards	$ 16,100,000