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Subsequent Events	12 Months Ended
Subsequent Events	Dec. 29, 2017
Subsequent Events [Abstract]
Subsequent Events	13. Subsequent Events On February 2, 2018, the Company completed an underwritten public offering of 4,761,905 shares of the Company’s common stock, in which the Company received net proceeds of approximately $94.5 million, after deducting the underwriting discounts and offering expenses payable by the Company.