Income Tax - Summary of Deferred Tax Assets and Liabilities (Parenthetical) (Detail)	12 Months Ended
	Dec. 28, 2019
Income Tax Expense Benefit Continuing Operations [Line Items]
Federal credit carryforwards expire year	2039
State and Local Jurisdiction
Income Tax Expense Benefit Continuing Operations [Line Items]
Net operating losses, expiration date, description	expire in tax years 2021 through 2039 if not utilized