Earnings/(Loss) Per Share (Details) - shares	12 Months Ended
	Dec. 30, 2018	Dec. 31, 2017	Dec. 25, 2016
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	2,100,000	2,300,000	1,700,000
Employee Stock Option [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)			4,000,000
Restricted Stock Units and Long-term Incentive Compensation Stock-settled Awards [Member]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings per share (in shares)	0	2,000,000