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Stockholders' Equity - Rollforward of Common Stock Outstanding (Details) - shares
3 Months Ended
Mar. 26, 2017
Mar. 27, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]    
Shares outstanding at beginning of the period 73,945,533 59,100,000
Stock issued for cash 11,900,000 0
Stock issued for employee stock purchase plan, stock options and restricted stock units exercised 600,000 500,000
Shares outstanding at end of the period 86,439,842 59,600,000