Stockholders' Equity - Rollforward of Common Stock Outstanding (Details) - shares	9 Months Ended
	Sep. 27, 2015	Sep. 28, 2014
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Shares outstanding at beginning of the period	57,801,978	57,100,000
Stock issued for employee stock purchase plan, stock options and restricted stock units exercised	1,300,000	700,000
Shares outstanding at end of the period	59,085,117	57,800,000