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Share-Based Payments - Summary of Stock Option Activity (Detail) - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 28, 2019	Dec. 29, 2018	Dec. 30, 2017
Disclosure Of Compensation Related Costs Sharebased Payments [Abstract]
Shares Under Options, Outstanding, Beginning balance	13,052	47,928
Shares Under Options, Exercised	(13,052)	(20,476)
Shares Under Options, Cancelled/Expired		(14,400)
Shares Under Options, Outstanding, Ending balance		13,052	47,928
Weighted Average Exercise Price, Options outstanding, Beginning balance	$ 13.87	$ 16.52
Weighted Average Exercise Price, Exercised	$ 13.87	13.87
Weighted Average Exercise Price, Cancelled/Expired		22.69
Weighted Average Exercise Price, Options outstanding, Ending balance		$ 13.87	$ 16.52
Weighted Average Remaining Contractual Life Years, Options outstanding	0 years	4 months 13 days	1 year 25 days
Weighted Average Remaining Contractual Life Years, Exercisable	0 years	4 months 13 days	1 year 25 days
Aggregate Intrinsic Value, Options outstanding, Beginning balance	$ 39	$ 487
Aggregate Intrinsic Value, Exercised	$ 51	1,043
Aggregate Intrinsic Value, Options outstanding, Ending balance		$ 39	$ 487

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Amount of accumulated difference between fair value of underlying shares on dates of exercise and exercise price on options exercised (or share units converted) into shares.

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For presentations that combine terminations, the number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan or that expired.

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Weighted average price of options that were either forfeited or expired.

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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Number of options outstanding, including both vested and non-vested options.

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Weighted average price at which grantees can acquire the shares reserved for issuance under the stock option plan.

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Weighted average price at which option holders acquired shares when converting their stock options into shares.

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Weighted average remaining contractual term for vested portions of options outstanding and currently exercisable or convertible, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Weighted average remaining contractual term for option awards outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Number of share options (or share units) exercised during the current period.

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