Basis of Presentation (Policies)	9 Months Ended
Oct. 03, 2015
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Stock-based Compensation	The Corporation measures stock-based compensation expense at grant date, based on the fair value of the award, and recognizes expense over the employee requisite service period.
Inventory	The Corporation values its inventory at the lower of cost or market with approximately 74% valued by the last-in, first-out ("LIFO") costing method.
Goodwill	The Corporation evaluates its goodwill and indefinite-lived intangible assets for impairment on an annual basis during the fourth quarter, or whenever indicators of impairment exist. The Corporation estimates the fair value of its reporting units using various valuation techniques, with the primary technique being a discounted cash flow method. This method employs market participant based assumptions. The increase in the hearth segment relates to a purchase price allocation adjustment for an acquisition completed during the fourth quarter of 2014.
Product Warranty	The Corporation issues certain warranty policies on its office furniture and hearth products that provide for repair or replacement of any covered product or component that fails during normal use because of a defect in design or workmanship. Reserves have been established for the various costs associated with the Corporation's warranty programs. A warranty reserve is determined by recording a specific reserve for known warranty issues and an additional reserve for unknown claims that are expected to be incurred based on historical claims experience. Actual claims incurred could differ from the original estimates, requiring adjustments to the reserve.
Derivatives	The Corporation uses derivative financial instruments to reduce its exposure to adverse fluctuations in diesel fuel prices. On the date a derivative is entered into, the Corporation designates the derivative as (i) a fair value hedge, (ii) a cash flow hedge, (iii) a hedge of a net investment in a foreign operation or (iv) a risk management instrument not designated for hedge accounting. The Corporation recognizes all derivatives on its Condensed Consolidated Balance Sheets at fair value.
Fair Value of Financial Instruments	For recognition purposes, on a recurring basis the Corporation is required to measure at fair value its marketable securities and derivative instruments. The marketable securities are comprised of government securities, corporate bonds and money market funds. When available the Corporation uses quoted market prices to determine fair value and classifies such measurements within Level 1. Where market prices are not available, the Corporation makes use of observable market-based inputs (prices or quotes from published exchanges/indexes) to calculate fair value using the market approach, in which case the measurements are classified within Level 2.
New Accounting Standards	New Accounting Standards In April 2014, the FASB issued accounting guidance which changes the criteria for determining which disposals can be presented as discontinued operations and modifies related disclosure requirements. The guidance is effective for fiscal years beginning on or after December 15, 2014 and interim periods within those annual periods with early adoption allowed. The Corporation adopted the guidance effective January 4, 2015, the beginning of the Corporation's 2015 fiscal year. The guidance did not have a material impact on the Corporation's financial statements.
Segment Reporting	Management views the Corporation as being in two reportable segments based on industries: office furniture and hearth products, with the former being the principal business segment. The aggregated office furniture segment manufactures and markets a broad line of metal and wood office furniture which includes storage products, desks, credenzas, chairs, tables, bookcases, classroom solutions, freestanding office partitions and panel systems and other related products. The hearth products segment manufactures and markets a broad line of manufactured gas, electric, wood and biomass burning fireplaces, inserts and stoves, facings and accessories, principally for the home. For purposes of segment reporting, intercompany sales transfers between segments are not material and operating profit is income before income taxes exclusive of certain unallocated corporate expenses. These unallocated corporate expenses include the net cost of the Corporation's corporate operations, interest income and interest expense. Management views interest income and expense as corporate financing costs and not as a reportable segment cost. In addition, management applies an effective income tax rate to its consolidated income before income taxes so income taxes are not reported or viewed internally on a segment basis.

Basis of Presentation (Policies)

9 Months Ended

Oct. 03, 2015

Organization, Consolidation and Presentation of Financial Statements [Abstract]

The Corporation measures stock-based compensation expense at grant date, based on the fair value of the award, and recognizes expense over the employee requisite service period.

Inventory

The Corporation values its inventory at the lower of cost or market with approximately 74% valued by the last-in, first-out ("LIFO") costing method.

Goodwill

The Corporation evaluates its goodwill and indefinite-lived intangible assets for impairment on an annual basis during the fourth quarter, or whenever indicators of impairment exist. The Corporation estimates the fair value of its reporting units using various valuation techniques, with the primary technique being a discounted cash flow method. This method employs market participant based assumptions. The increase in the hearth segment relates to a purchase price allocation adjustment for an acquisition completed during the fourth quarter of 2014.

Product Warranty

The Corporation issues certain warranty policies on its office furniture and hearth products that provide for repair or replacement of any covered product or component that fails during normal use because of a defect in design or workmanship. Reserves have been established for the various costs associated with the Corporation's warranty programs.

A warranty reserve is determined by recording a specific reserve for known warranty issues and an additional reserve for unknown claims that are expected to be incurred based on historical claims experience. Actual claims incurred could differ from the original estimates, requiring adjustments to the reserve.

Derivatives

The Corporation uses derivative financial instruments to reduce its exposure to adverse fluctuations in diesel fuel prices. On the date a derivative is entered into, the Corporation designates the derivative as (i) a fair value hedge, (ii) a cash flow hedge, (iii) a hedge of a net investment in a foreign operation or (iv) a risk management instrument not designated for hedge accounting. The Corporation recognizes all derivatives on its Condensed Consolidated Balance Sheets at fair value.

Fair Value of Financial Instruments

For recognition purposes, on a recurring basis the Corporation is required to measure at fair value its marketable securities and derivative instruments. The marketable securities are comprised of government securities, corporate bonds and money market funds. When available the Corporation uses quoted market prices to determine fair value and classifies such measurements within Level 1. Where market prices are not available, the Corporation makes use of observable market-based inputs (prices or quotes from published exchanges/indexes) to calculate fair value using the market approach, in which case the measurements are classified within Level 2.

New Accounting Standards

In April 2014, the FASB issued accounting guidance which changes the criteria for determining which disposals can be presented as discontinued operations and modifies related disclosure requirements. The guidance is effective for fiscal years beginning on or after December 15, 2014 and interim periods within those annual periods with early adoption allowed. The Corporation adopted the guidance effective January 4, 2015, the beginning of the Corporation's 2015 fiscal year. The guidance did not have a material impact on the Corporation's financial statements.

Segment Reporting

Management views the Corporation as being in two reportable segments based on industries: office furniture and hearth products, with the former being the principal business segment.

The aggregated office furniture segment manufactures and markets a broad line of metal and wood office furniture which includes storage products, desks, credenzas, chairs, tables, bookcases, classroom solutions, freestanding office partitions and panel systems and other related products. The hearth products segment manufactures and markets a broad line of manufactured gas, electric, wood and biomass burning fireplaces, inserts and stoves, facings and accessories, principally for the home.

For purposes of segment reporting, intercompany sales transfers between segments are not material and operating profit is income before income taxes exclusive of certain unallocated corporate expenses. These unallocated corporate expenses include the net cost of the Corporation's corporate operations, interest income and interest expense. Management views interest income and expense as corporate financing costs and not as a reportable segment cost. In addition, management applies an effective income tax rate to its consolidated income before income taxes so income taxes are not reported or viewed internally on a segment basis.

- Definition

Disclosure of accounting policy for major classes of inventories, bases of stating inventories (for example, lower of cost or market), methods by which amounts are added and removed from inventory classes (for example, FIFO, LIFO, or average cost), loss recognition on impairment of inventories, and situations in which inventories are stated above cost. If inventory is carried at cost, this disclosure includes the nature of the cost elements included in inventory.

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