Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 30, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Preferred stock par value (in usd per share)	$ 0.01	$ 0.01
Preferred stock shares authorized (in shares)	400,000	400,000
Preferred stock, shares outstanding (in shares)	0	0
Preferred stock, shares issued (in shares)	0	0
Common stock, par value (in usd per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	600,000,000	600,000,000
Common stock shares issued (in shares)	282,067,000	278,099,000
Common stock shares outstanding (in shares)	282,067,000	278,099,000
Treasury stock (in shares)	47,092,000	51,061,000