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Loss Per Share - Additional Information (Detail) shares in Millions		3 Months Ended		6 Months Ended
	May 11, 2020	Jun. 27, 2020 shares	Jun. 29, 2019 shares	Jun. 27, 2020 shares	Jun. 29, 2019 shares
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Reverse stock split ratio	0.1
Nonvested Stock Options and Shares \| Minimum
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Shares excluded from computation of diluted earnings per share		1	1	1	1