Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Share data, unless otherwise specified	Apr. 04, 2015	Jan. 03, 2015
Consolidated Balance Sheets
Accounts receivable, allowance for doubtful accounts (in dollars)	$ 1,268	$ 1,242
Common stock, par value (in dollars per share)	$ 0.1167	$ 0.1167
Common stock, shares authorized	200,000,000us-gaap_CommonStockSharesAuthorized	200,000,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	39,817,899us-gaap_CommonStockSharesIssued	39,603,662us-gaap_CommonStockSharesIssued
Common stock, shares outstanding	39,817,899us-gaap_CommonStockSharesOutstanding	39,603,662us-gaap_CommonStockSharesOutstanding

A valuation allowance for trade and other receivables due to an Entity within one year (or the normal operating cycle, whichever is longer) that are expected to be uncollectible.

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The maximum number of common shares permitted to be issued by an entity's charter and bylaws.

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Total number of common shares of an entity that have been sold or granted to shareholders (includes common shares that were issued, repurchased and remain in the treasury). These shares represent capital invested by the firm's shareholders and owners, and may be all or only a portion of the number of shares authorized. Shares issued include shares outstanding and shares held in the treasury.

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