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Summary of Significant Accounting Policies (Policies) | 12 Months Ended
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Dec. 30, 2017
Accounting Policies [Abstract] |
Fiscal Year-end | Fiscal year-end – The Corporation follows a 52/53-week fiscal year, which ends on the Saturday nearest December 31. Fiscal year 2017 ended on December 30, 2017, fiscal year 2016 ended on December 31, 2016, and fiscal year 2015 ended on January 2, 2016. The financial statements for fiscal years 2017, 2016, and 2015 are on a 52-week basis. A 53-week year occurs approximately every sixth year.
Principles of Consolidation | Principles of Consolidation The consolidated financial statements include the accounts and transactions of the Corporation and its subsidiaries. Intercompany accounts and transactions have been eliminated in consolidation.
Cash, Cash Equivalents and Investments | Cash, Cash Equivalents, and Investments Cash and cash equivalents generally consist of cash and money market accounts. The fair value approximates the carrying value due to the short duration of the securities. These securities have original maturity dates not exceeding three months. The Corporation has short-term investments with maturities of less than one year and investments with maturities greater than one year included in "Other Assets" in the Consolidated Balance Sheets. Management classifies investments in marketable securities at the time of purchase and reevaluates such classification at each balance sheet date. Debt securities, including government and corporate bonds, are classified as available-for-sale and stated at current market value with unrealized gains and losses included as a separate component of equity, net of any related tax effect. The specific identification method is used to determine realized gains and losses on the trade date.
Receivables | Receivables The allowance for doubtful accounts is developed based on several factors including overall customer credit quality, historical write-off experience, and specific account analyses projecting the ultimate collectability of the account. As such, these factors may change over time causing the allowance level to adjust accordingly.
Inventories | Inventories The Corporation values its inventory at the lower of cost or net realizable value with approximately 83 percent and 79 percent valued by the last-in, first-out ("LIFO") costing method as of December 30, 2017 and December 31, 2016, respectively.
(In thousands) | December 30, 2017 |  | December 31, 2016
Finished products | $ | 101,715 |  |  | $ | 71,223 |
Materials and work in process | 81,202 |  |  | 71,375 |
LIFO allowance | (27,234 | ) |  | (24,160 | )
| $ | 155,683 |  |  | $ | 118,438 |
During 2016, inventory quantities were reduced at certain reporting units. This reduction resulted in a liquidation of LIFO inventory quantities carried at higher or lower costs prevailing in prior years as compared with the cost of current year purchases, the effect of which increased cost of goods sold by approximately $0.05 million in 2016. There was no similar LIFO decrement in 2017 and 2015. If the FIFO method had been in use, inventories would have been $27.2 million and $24.2 million higher than reported as of December 30, 2017 and December 31, 2016, respectively.
Property, Plant and Equipment | Property, Plant, and Equipment Property, plant, and equipment are carried at cost. Expenditures for repairs and maintenance are expensed as incurred. Major improvements that materially extend the useful lives of the assets are capitalized. Depreciation has been computed using the straight-line method over estimated useful lives: land improvements, 10 – 20 years; buildings, 10 – 40 years; and machinery and equipment, 3 – 12 years. Total depreciation expense was as follows (in thousands):
| 2017 |  |  | 2016 |  |  | 2015 |
Depreciation expense | $ | 56,494 |  |  | $ | 57,171 |  |  | $ | 46,512 |
Long-Lived Assets | Long-Lived Assets The Corporation evaluates long-lived assets for indicators of impairment as events or changes in circumstances occur indicating that an impairment risk may be present. The judgments regarding the existence of impairment are based on business and market conditions, operational performance, and estimated future cash flows. If the carrying value of a long-lived asset is considered impaired, an impairment charge is recorded to adjust the asset to its estimated fair value. Asset impairment charges associated with the Corporation’s long-lived assets are discussed in "Note 3. Restructuring and Impairment Charges" in the Notes to Consolidated Financial Statements.
Goodwill and Intangible Assets | Goodwill and Other Intangible Assets The Corporation evaluates its goodwill for impairment on an annual basis during the fourth quarter or whenever indicators of impairment exist. Asset impairment charges associated with the Corporation’s goodwill impairment testing are discussed in "Note 6. Goodwill and Other Intangible Assets" in the Notes to Consolidated Financial Statements.
Product Warranties | Product Warranties The Corporation issues certain warranty policies on its 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, materials, or workmanship. Allowances have been established for the anticipated future costs associated with the Corporation's warranty programs. A warranty allowance is determined by recording a specific allowance for known warranty issues and an additional allowance for unknown claims expected to be incurred based on historical claims experience. Actual claims incurred could differ from the original estimates, requiring adjustments to the allowance.
Revenue Recognition | Revenue Recognition Sales of office furniture and hearth products are generally recognized when title transfers and the risks and rewards of ownership have passed to customers. Typically, title and risk of ownership transfer when the product is shipped. In certain circumstances, title and risk of ownership do not transfer until the goods are received by the customer or upon installation and customer acceptance. Revenue includes freight charged to customers; related costs are recorded in selling and administrative expense. Rebates, discounts, and other marketing program expenses directly related to the sale are recorded as a reduction to net sales. Marketing program accruals require the use of management estimates and the consideration of contractual arrangements subject to interpretation. Customer sales that achieve or do not achieve certain award levels can affect the amount of such estimates and actual results could differ from these estimates.
Product Development Costs | Product Development Costs Product development costs relating to development of new products and processes, including significant improvements and refinements to existing products, are expensed as incurred. These costs include salaries, contractor fees, building costs, utilities, and administrative fees.
Freight Expense | Freight Expense Freight expense on shipments to customers were recorded in "Selling and administrative expenses" on the Consolidated Statements of Comprehensive Income as follows (in thousands):
| 2017 |  |  | 2016 |  |  | 2015 |
Freight expense | $ | 119,096 |  |  | $ | 115,157 |  |  | $ | 133,384 |
Stock-Based Compensation | Stock-Based Compensation The Corporation measures the cost of employee services in exchange for an award of equity instruments based on the grant-date fair value of the award and recognizes cost over the requisite service period.
Income Taxes | Income Taxes The Corporation uses an asset and liability approach that takes into account guidance related to uncertain tax positions and requires the recognition of deferred tax assets and liabilities for the expected future tax consequences of events that have been recognized in the Corporation’s financial statements or tax returns. Deferred income taxes are provided to reflect differences between the tax bases of assets and liabilities and their reported amounts in the consolidated financial statements.
Earnings Per Share | Earnings Per Share Basic earnings per share are based on the weighted-average number of common shares outstanding during the year. Shares potentially issuable under stock options, restricted stock units, and common stock equivalents under the Corporation's deferred compensation plans have been considered outstanding for purposes of the diluted earnings per share calculation.
Use of Estimates | Use of Estimates The preparation of financial statements in conformity with accounting principles generally accepted in the United States requires management to make estimates and assumptions that affect the amounts reported in the consolidated financial statements and accompanying notes. The critical areas requiring use of management estimates relate to goodwill and intangibles, accruals for self-insured medical claims, workers’ compensation, legal contingencies, general liability and auto insurance claims, valuation of long-lived assets, and estimates of income taxes. Other significant areas requiring use of management estimates relate to allowance for doubtful accounts, inventory allowances, marketing program accruals, warranty accruals, and useful lives for depreciation and amortization. Actual results could differ from those estimates.
Self-Insurance | Self-Insurance The Corporation is primarily self-insured for general, auto, and product liability, workers’ compensation, and certain employee health benefits. The general, auto, product, and workers’ compensation liabilities are managed using a wholly-owned insurance captive and the related liabilities are included in the Consolidated Balance Sheets as follows (in thousands):
| December 30, 2017 |  | December 31, 2016
General, auto, product, and workers' compensation liabilities | $ | 27,591 |  |  | $ | 26,526 |
The Corporation’s policy is to accrue amounts in accordance with the actuarially determined liabilities. The actuarial valuations are based on historical information along with certain assumptions about future events. Changes in assumptions for such matters as legal actions, medical cost inflation, and magnitude of change in actual experience development could cause these estimates to change in the future.
Foreign Currency Translations | Foreign Currency Translations Foreign currency financial statements of foreign operations, where the local currency is the functional currency, are translated using exchange rates in effect at period end for assets and liabilities and average exchange rates during the period for results of operations. Related translation adjustments are reported as a component of Shareholders’ Equity. Gains and losses on foreign currency transactions are included in "Selling and administrative expenses" in the Consolidated Statements of Comprehensive Income.
Reclassifications | Reclassifications Certain reclassifications have been made within the financial statements to conform to the current year presentation.
Recently Adopted Accounting Pronouncements | Recently Adopted Accounting Standards In March 2016, the FASB issued ASU No. 2016-09, Improvements to Employee Share-Based Payment Accounting. The new standard is intended to simplify accounting for share-based employment awards to employees. Changes include: all excess tax benefits/deficiencies should be recognized as income tax expense/benefit; entities can make elections on how to account for forfeitures; and cash paid by an employer when directly withholding shares for tax withholding purposes should be classified as a financing activity on the cash flow statement. The Corporation implemented the new standard in the first quarter of fiscal 2017. The primary impact of implementation was the recognition of excess tax benefits in the Corporation's provision for income taxes rather than paid-in capital beginning with the first quarter of fiscal 2017. Excess tax benefits will be recorded in the operating section of the Consolidated Statements of Cash Flows on a prospective basis. Prior to fiscal 2017, the tax benefits or shortfalls were recorded in financing cash flows. The presentation requirements for cash flows related to employee taxes paid for withheld shares in the financing section had no impact to any of the periods presented in the Corporation's Consolidated Statements of Cash Flows since such cash flows have historically been presented as a financing activity. The ongoing impact of the new standard resulted in the recognition of excess tax benefits in the Corporation's provision for income taxes of $1.5 million as a net tax benefit for the year ended December 30, 2017. Prior to the adoption of this standard, those amounts would have been recognized as an adjustment to "Additional paid-in capital" in the Consolidated Balance Sheets. See "Note 8. Income Taxes" in the Notes to Consolidated Financial Statements for further information. In July 2015, the FASB issued ASU No. 2015-11, Simplifying the Measurement of Inventory. The new standard is intended to simplify the subsequent measurement of inventory by requiring inventory to be measured at the lower of cost or net realizable value rather than the previous guidance of measuring inventory at the lower of cost or market. The Corporation implemented the new standard in the first quarter of fiscal 2017. As the Corporation previously calculated net realizable value when measuring inventory at the lower of cost or market, this standard did not have a material effect on the consolidated financial statements and related disclosures. In January 2017, the FASB issued ASU No. 2017-04, Intangibles-Goodwill and Other (Topic 350). The new standard is to simplify the test for goodwill impairment by eliminating the step 2 requirement. Instead, an entity will perform its annual or interim goodwill impairment test by comparing the fair value of a reporting unit with its carrying amount. The standard is effective for fiscal 2020, but the Corporation has early adopted the standard in 2017. The Corporation performed its annual test for goodwill impairment during the fourth quarter of fiscal 2017 under the guidance of this standard.
Fair Value Measurements of Financial Instruments | For recognition purposes, on a recurring basis, the Corporation is required to measure at fair value its marketable securities, derivative financial instruments, variable-rate debt obligations, and deferred stock-based compensation. The marketable securities are comprised of money market funds, government securities, and corporate bonds. 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 and indexes) to calculate fair value using the market approach, in which case the measurements are classified within Level 2.

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- Definition Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84161450&loc=d3e5614-111684 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 3 -Subparagraph (SX 210.3A-03) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355100-122828 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.3A-02) -URI http://asc.fasb.org/extlink&oid=27015204&loc=d3e355033-122828 + Details
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- Definition Disclosure of accounting policy for trade and other accounts receivable, and finance, loan and lease receivables, including those classified as held for investment and held for sale. This disclosure may include (1) the basis at which such receivables are carried in the entity's statements of financial position (2) how the level of the valuation allowance for receivables is determined (3) when impairments, charge-offs or recoveries are recognized for such receivables (4) the treatment of origination fees and costs, including the amortization method for net deferred fees or costs (5) the treatment of any premiums or discounts or unearned income (6) the entity's income recognition policies for such receivables, including those that are impaired, past due or placed on nonaccrual status and (7) the treatment of foreclosures or repossessions (8) the nature and amount of any guarantees to repurchase receivables. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(3)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(4)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84159169&loc=d3e10133-111534 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(5)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 310 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84173941&loc=d3e4975-111524 + Details
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- Definition Disclosure of accounting policy for costs it has 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. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 730 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6420194&loc=d3e21568-108373 + Details
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- Definition Disclosure of accounting policy for revenue recognition. If the entity has different policies for different types of revenue transactions, the policy for each material type of transaction is generally disclosed. If a sales transaction has multiple element arrangements (for example, delivery of multiple products, services or the rights to use assets) the disclosure may indicate the accounting policy for each unit of accounting as well as how units of accounting are determined and valued. The disclosure may encompass important judgment as to appropriateness of principles related to recognition of revenue. The disclosure also may indicate the entity's treatment of any unearned or deferred revenue that arises from the transaction. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18823-107790 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB Topic 13.B.Q1) -URI http://asc.fasb.org/extlink&oid=65893310&loc=d3e214044-122780 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18726-107790 + Details
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- Definition Disclosure of accounting policy for self-insurance reserves, including, but not limited to incurred but not reported reserves (IBNR). + References No definition available. + Details
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- Definition Disclosure of accounting policy for stock option and stock incentive plans. This disclosure may include (1) the types of stock option or incentive plans sponsored by the entity (2) the groups that participate in (or are covered by) each plan (3) significant plan provisions and (4) how stock compensation is measured, and the methodologies and significant assumptions used to determine that measurement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (b),(f) -URI http://asc.fasb.org/extlink&oid=96867065&loc=d3e5070-113901 + Details
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- Definition Disclosure of accounting policy for the classification of shipping and handling costs, including whether the costs are included in cost of sales or included in other income statement accounts. If shipping and handling fees are significant and are not included in cost of sales, disclosure includes both the amounts of such costs and the line item on the income statement which includes such costs. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=82851458&loc=d3e221937-122793 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=68075638&loc=d3e60635-111653 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 605 -SubTopic 45 -Section 50 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=68080631&loc=d3e61069-111654 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18726-107790 + Details
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- Definition Disclosure of accounting policy for standard warranties including the methodology for measuring the liability. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 460 -SubTopic 10 -Section 50 -Paragraph 8 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=68068213&loc=d3e12565-110249 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=84158767&loc=d3e18780-107790 + Details
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- Definition Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6061-108592 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6143-108592 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 275 -SubTopic 10 -Section 50 -Paragraph 8 -URI http://asc.fasb.org/extlink&oid=84177426&loc=d3e6132-108592 + Details
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