Consolidated Balance Sheets (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jan. 03, 2015	Dec. 28, 2013
Current assets:
Allowance for Doubtful Accounts Receivable, Current	$ 739	$ 425
Shareholders' equity:
Preferred Stock, Shares Authorized (in shares)	5,000us-gaap_PreferredStockSharesAuthorized	5,000us-gaap_PreferredStockSharesAuthorized
Preferred Stock, Shares Issued (in shares)	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred Stock, Shares Outstanding (in shares)	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common Stock, Par or Stated Value Per Share (in shares)	$ 0.01	$ 0.01
Common Stock, Shares Authorized (in shares)	142,500us-gaap_CommonStockSharesAuthorized	142,500us-gaap_CommonStockSharesAuthorized
Common Stock, Shares, Issued (in shares)	52,798us-gaap_CommonStockSharesIssued	54,901us-gaap_CommonStockSharesIssued
Common Stock, Shares, Outstanding (in shares)	52,798us-gaap_CommonStockSharesOutstanding	54,901us-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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