Represents implementation costs of capitalized computer software.

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- Definition

Amount charged to advertising expense for the period, which are expenses incurred with the objective of increasing revenue for a specified brand, product or product line.

+ References

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- Definition

The excess of replacement or current cost over the stated LIFO (last in first out) inventory value when the LIFO inventory method is utilized.

+ References

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Present value of lessee's discounted obligation for lease payments from operating lease.

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Amount of lessee's right to use underlying asset under operating lease.

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Amount of noncurrent assets classified as other.

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- Definition

The percentage of LIFO (last in first out) inventory to total inventory as of the balance sheet date if other than 100 percent.

+ References

No definition available.

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- Definition

Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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- Definition

The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.

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- Definition

The remaining number of shares authorized to be repurchased by an entity's Board of Directors under a stock repurchase plan.

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

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Note 2 - Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Jan. 01, 2019
Percentage of LIFO Inventory	34.30%	34.90%
Excess of Replacement or Current Costs over Stated LIFO Value	$ 16,600	$ 15,900
Research and Development Expense, Total	3,100	3,600
Advertising Expense	5,000	6,100
Operating Lease, Right-of-Use Asset	54,686
Operating Lease, Liability, Total	61,092
Property, Plant and Equipment, Net, Ending Balance	233,923	264,960
Other Assets, Noncurrent, Total	$ 14,608	$ 7,660
Accounting Standards Update 2016-02 [Member]
Operating Lease, Right-of-Use Asset			$ 69,000
Operating Lease, Liability, Total			69,000
Accounting Standards Update 2018-15 [Member]
Property, Plant and Equipment, Net, Ending Balance			(2,800)
Other Assets, Noncurrent, Total			$ 2,800
Common Stock [Member]
Treasury Stock, Shares, Acquired	0	0
Stock Repurchase Program, Remaining Number of Shares Authorized to be Repurchased		941,250
Prepaid Expenses and Other Current Assets [Member]
Capitalized Computer Software Implementation Costs	$ 300
Other Assets [Member]
Capitalized Computer Software Implementation Costs	$ 6,500
Minimum [Member] \| Equipment and Furnishings [Member]
Property, Plant and Equipment, Useful Life	3 years
Minimum [Member] \| Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life	10 years
Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	20 years
Maximum [Member] \| Equipment and Furnishings [Member]
Property, Plant and Equipment, Useful Life	14 years
Maximum [Member] \| Building and Building Improvements [Member]
Property, Plant and Equipment, Useful Life	40 years
Computer Software, Intangible Asset [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Computer Software, Intangible Asset [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years
Cloud Computing Arrangements [Member] \| Minimum [Member]
Finite-Lived Intangible Asset, Useful Life	3 years
Cloud Computing Arrangements [Member] \| Maximum [Member]
Finite-Lived Intangible Asset, Useful Life	10 years