Stockholders' Equity - Rollforward of Common Stock Outstanding (Details) - shares	6 Months Ended
	Jun. 28, 2015	Jun. 29, 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	600,000	300,000
Shares outstanding at end of the period	58,442,129	57,400,000