Stockholders’ Equity (Details)	Oct. 01, 2017 vote $ / shares shares	Jan. 01, 2017 $ / shares shares
Equity [Abstract]
Common stock, shares authorized (in shares)	1,000,000,000	1,000,000,000
Common stock, par value (usd per share) | $ / shares	$ 0.0001	$ 0.0001
Votes per share | vote	1
Options issued and outstanding (in shares)	5,445,007
RSUs issued and outstanding (in shares)	888,359
Common stock warrants (in shares)	83,006
Shares available for ESPP (in shares)	1,835,341
Shares available for future stock awards (in shares)	2,973,747
Shares reserved for future issuance (in shares)	11,225,460