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Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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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 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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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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The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.

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Percentage of vesting of share-based compensation awards.

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Amount of stock repurchase plan authorized.

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Stock Based Compensation - Additional Information (Details)		3 Months Ended
	Mar. 01, 2016 USD ($) Executives shares	Apr. 02, 2016 USD ($) $ / shares shares	Apr. 04, 2015 USD ($) $ / shares	Jan. 02, 2016 shares	Aug. 31, 2015 USD ($)	Jul. 31, 2014 USD ($)	Feb. 28, 2013 USD ($)	Feb. 28, 2012 USD ($)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Weighted-average grant date fair value of the options granted \| $ / shares		$ 4.14	$ 4.61
Total intrinsic value of options exercised \| $		$ 285,000	$ 745,000
Total unrecognized compensation cost related to non-vested share-based compensation arrangements \| $		$ 3,300,000
Cost is expected to be recognized over a weighted average period		2 years 7 months 2 days
Stock repurchase program authorized amount \| $		$ 6,700,000				$ 3,000,000	$ 3,000,000	$ 4,000,000
Repurchase of shares		843,785
Remaining common stock value authorized to purchase under stock repurchase program \| $		$ 1,000,000
Stock repurchase program additional amount authorized \| $					$ 2,000,000
Stock repurchase, shares		6,544
Shares repurchased price, per share \| $ / shares		$ 9.00
Restricted Stock Units (RSUs)
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units granted		210,000
Total restricted stock awards outstanding		351,989		147,589
Restricted Stock Units (RSUs) \| Performance Award
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Number of executives \| Executives	5
Restricted stock units granted	210,000
Period consider for calculation of average stock price performance after awards vesting		60 days
Award investing period		4 years
Percentage of targeted number of PRSUs becoming vest	25.00%
Percentage of targeted number of PRSUs becoming vest prior to end of last performance period		50.00%
Award vesting conditions		the maximum number of PRSUs that can vest prior to the last performance period will be limited as follows: (i) upon completion of a particular performance period vesting will be limited to 25% of the target number of PRSUs even if more than one stock price goal is achieved during that period (and if more than one stock price goal is achieved, the PRSUs will become eligible to vest at a future date, subject to clause (ii)), and (ii) vesting will be limited to no more than 50% of the target number of PRSUs even if more than two stock price goals are achieved prior to the last performance period (and in that instance, any PRSUs that become eligible to vest would vest on the last day of the final performance period.
Weighted grant date fair value of restricted stock units granted \| $	$ 1,700,000
Restricted Stock Awards
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Restricted stock units granted		0
Total restricted stock awards outstanding		2,513
Maximum \| Restricted Stock Units (RSUs) \| Performance Award
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]
Percentage of targeted number of PRSUs becoming vest		100.00%