Stockholders' Equity - Rollforward of Common Stock Outstanding (Details) - shares	6 Months Ended
	Jun. 25, 2017	Jun. 26, 2016
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares outstanding at beginning of the period (shares)	73,945,533	59,100,000
Stock issued for cash (shares)	11,900,000	0
Stock issued for employee stock purchase plan, stock options and restricted stock units exercised (shares)	800,000	600,000
Shares outstanding at end of the period (shares)	86,634,053	59,700,000