Pre tax compensation expense related to director fees, annual retainers, and deferred compensation amortization.

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Reserved Percentage

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

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- Definition

Aggregate number of common shares reserved for future issuance.

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- Definition

Aggregate dividends declared during the period for each share of common stock outstanding.

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- Definition

Amount of paid and unpaid common stock dividends declared with the form of settlement in cash.

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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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- Definition

The cash outflow to reacquire common stock during the period.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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- Definition

Number of shares under non-option equity instrument agreements that were either cancelled or expired.

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- Definition

Number of equity instruments other than options outstanding, including both vested and non-vested instruments.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

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

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- Definition

Percentage of vesting of share-based compensation awards.

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Amount remaining of a stock repurchase plan authorized.

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No definition available.

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Total cost of shares repurchased divided by the total number of shares repurchased.

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Number of shares that have been repurchased during the period and are being held in treasury.

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Stockholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Thousands							3 Months Ended		9 Months Ended
	Sep. 01, 2019	Jun. 03, 2019	Mar. 01, 2019	Sep. 01, 2018	Jun. 01, 2018	Mar. 01, 2018	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition									1 year 8 months 12 days
Shares Reserved (in shares)							2,709,000		2,709,000
Shares Available to Issue (in shares)							1,952,000		1,952,000
Options Outstanding (in shares)							1,076,000		1,076,000
Performance Awards Outstanding (in shares)							501,000		501,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized							$ 1,700		$ 1,700
Directors compensation expense							$ 113	$ 133	$ 341	$ 336
Treasury stock acquired, shares									400,000
Treasury Stock, Value									$ 7,756	$ 0
Treasury Stock Acquired, Average Cost Per Share									$ 19.39
Dividends declared per common share (in dollars per Share)	$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.075	$ 0.225	$ 0.225
Dividends	$ 1,336	$ 1,365	$ 1,360	$ 1,436	$ 1,433	$ 1,207
Share-Based Compensation Arrangement By Share-Based Payment Award, Non-Option Equity Instruments, Reserved Percentage							200.00%		200.00%
Stock Repurchase Program, Remaining Authorized Repurchase Amount							$ 600		$ 600
ESPP
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense							58		224	$ 208
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation expense							196	$ 215	$ 624	681
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage									20.00%
Share-based compensation expense							160	238	$ 513	955
Officers And Key Employees [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Directors compensation expense							$ 61	$ 344	$ 138	$ 964
Amended And Restated 2006 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Reserved (in shares)							0		0
Shares Available to Issue (in shares)							0		0
Options Outstanding (in shares)							940,000		940,000
Performance Awards Outstanding (in shares)							0		0
Cancelled shares (in shares)									1,154,000
2017 Plan [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares Reserved (in shares)							2,709,000		2,709,000
Shares Available to Issue (in shares)							1,952,000		1,952,000
Options Outstanding (in shares)							136,000		136,000
Performance Awards Outstanding (in shares)							501,000		501,000