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Percentage Of Expected Natural Gas Requirement Covered Under Contract For Next Fiscal Quarter

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Percentage Of Expected Natural Gas Requirement Covered Under Contract For Next Fiscal Year

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Percentage Of Natural Gas Requirement Covered Under Contract

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treasury stock retired

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For an unclassified balance sheet, a valuation allowance for receivables due a company that are expected to be uncollectible.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Excludes cash and cash equivalents within disposal group and discontinued operation.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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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.

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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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Amount of expense related to write-down of receivables to the amount expected to be collected. Includes, but is not limited to, accounts receivable and notes receivable.

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Amount of accelerated depreciation charged against earnings associated with exit from or disposal of business activities or restructuring plan.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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Amount of stock repurchase plan authorized.

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Amount remaining of a stock repurchase plan authorized.

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Number of shares that have been repurchased during the period and have not been retired and are not held in treasury. Some state laws may govern the circumstances under which an entity may acquire its own stock and prescribe the accounting treatment therefore. This element is used when state law does not recognize treasury stock.

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

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Summary of Significant Accouting Policies Additional Information (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended			24 Months Ended
	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2017	Dec. 16, 2016	Dec. 15, 2015	Dec. 27, 2010
Property, Plant and Equipment [Line Items]
Cash	$ 15,700				$ 23,000				$ 15,700	$ 23,000		$ 15,700
Allowance for doubtful accounts	1,400				1,500				1,400	1,500		1,400
Provision for doubtful accounts									200	700	$ 200
Goodwill	244,161				244,283				244,161	244,283		244,161
Net sales	436,716	$ 426,504	$ 429,663	$ 437,525	$ 425,568	$ 435,320	$ 436,671	$ 437,204	1,730,408	$ 1,734,763	$ 1,752,401
Stock Repurchase Program, Remaining Authorized Repurchase Amount	$ 29,800								$ 29,800			$ 29,800
Percentage of expected natural gas requirement covered under contract for next fiscal year	17.00%								17.00%			17.00%
Percentage Of Expected Natural Gas Requirement Covered Under Contract For Next Fiscal Quarter	30.00%								30.00%			30.00%
Percentage of natural gas requirement covered under contract									28.00%	45.00%	57.00%
Other Nonrecurring Expense, Planned Permaent Facility Closure									$ 14,700	$ 1,700
Restructuring and Related Cost, Accelerated Depreciation									$ 3,700	1,300
treasury stock retired, shares	7,821,005								7,821,005			7,821,005
Common Stock
Property, Plant and Equipment [Line Items]
Common stock authorized (in shares)														$ 100,000
Number of shares repurchased (in shares)									1,440,696		1,881,921	84,750
Treasury Stock Acquired, Average Cost Per Share (in dollars per share)									$ 57.53		$ 53.13
Consumer Products
Property, Plant and Equipment [Line Items]
Goodwill	$ 209,100								$ 209,100			$ 209,100
Net sales									$ 941,907	$ 988,380	$ 959,894
Kroger Company \| Consumer Products \| Sales Revenue, Net [Member]
Property, Plant and Equipment [Line Items]
Percentage of total revenue from single customer									15.30%	13.40%	12.30%
Cellu Tissue Holdings Inc
Property, Plant and Equipment [Line Items]
Goodwill															$ 229,500
Manchester Industries [Domain]
Property, Plant and Equipment [Line Items]
Goodwill													$ 35,100
Land Improvements \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life									10 years
Land Improvements \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life									40 years
Building and Building Improvements \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life									10 years
Building and Building Improvements \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life									40 years
Machinery and Equipment \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life									5 years
Machinery and Equipment \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life									25 years
Office And Other Equipment \| Minimum
Property, Plant and Equipment [Line Items]
Estimated useful life									2 years
Office And Other Equipment \| Maximum
Property, Plant and Equipment [Line Items]
Estimated useful life									15 years