Consolidated Balance Sheets (Parentheticals) (USD $)	Mar. 29, 2015	Dec. 28, 2014
Preferred stock, par value	$ 0.001	$ 0.001
Preferred stock, shares authorized	10,000,000us-gaap_PreferredStockSharesAuthorized	10,000,000us-gaap_PreferredStockSharesAuthorized
Preferred stock, shares issued	0us-gaap_PreferredStockSharesIssued	0us-gaap_PreferredStockSharesIssued
Preferred stock, shares outstanding	0us-gaap_PreferredStockSharesOutstanding	0us-gaap_PreferredStockSharesOutstanding
Common stock, par value	$ 0.001	$ 0.001
Common stock, shares authorized	367,500,000us-gaap_CommonStockSharesAuthorized	367,500,000us-gaap_CommonStockSharesAuthorized
Common stock, shares issued	141,592,715us-gaap_CommonStockSharesIssued	138,616,252us-gaap_CommonStockSharesIssued
Common Stock, Shares, Outstanding	133,254,173us-gaap_CommonStockSharesOutstanding	131,466,777us-gaap_CommonStockSharesOutstanding
Common stock held in treasury	8,338,542us-gaap_TreasuryStockShares	7,149,475us-gaap_TreasuryStockShares

Face amount or stated value per share of common stock.

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