Consolidated Balance Sheets (Parenthetical) - $ / shares	Dec. 29, 2018	Dec. 30, 2017
Common stock, shares issued (in shares)	115,094,445	114,040,214
Common Class A
Common stock, par value (USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, shares issued (in shares)	111,658,927	110,350,594
Common stock, shares outstanding (in shares)	111,658,927	110,350,594
Common Class B
Common stock, par value (USD per share)	$ 0.01	$ 0.01
Common stock, shares authorized (in shares)	250,000,000	250,000,000
Common stock, shares issued (in shares)	99	100
Common stock, shares outstanding (in shares)	99	100