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Deferred and Restricted Stock Activity (Detail) - Deferred and restricted stock - $ / shares shares in Thousands	12 Months Ended
	Dec. 29, 2018	Dec. 30, 2017	Dec. 31, 2016
Number of Shares
Number of Shares, Balance at beginning of period	87	149	126
Number of Shares, Granted	78	87	95
Number of Shares, Vested	(99)	(149)	(72)
Number of shares, Balance at end of period	66	87	149
Number of shares, Vested and deferred at end of period	198	192	331
Weighted Average Fair Value
Weighted Average Fair Value, Balance at beginning of period	$ 18.70	$ 20.39	$ 21.89
Weighted Average Fair Value, Granted	19.90	18.70	19.30
Weighted Average Fair Value, Vested	18.70	20.39	21.59
Weighted Average Fair Value, Balance at end of period	$ 19.93	$ 18.70	$ 20.39

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Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Vested And Deferred In Period

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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