Stockholders' Equity - Narrative (Details)	1 Months Ended			12 Months Ended
	May 31, 2018 shares	May 31, 2017 USD ($) shares	Feb. 29, 2016	Dec. 28, 2019 USD ($) executive $ / shares shares	Dec. 29, 2018 USD ($) shares	Dec. 30, 2017 USD ($) shares	Dec. 31, 2016 USD ($) shares	Dec. 27, 2019 $ / shares	May 31, 2019 shares	Feb. 28, 2007 shares
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase common stock (in shares)				730,000	1,115,000	1,397,000	1,655,000
ESPP offering period				6 months
Closing price of common stock (in usd per share) | $ / shares				$ 7.78				$ 7.78
Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase RSUs (in shares)				11,600,000	6,746,000	6,791,000	5,293,000
Amortization of stock based compensation | $				$ 32,300,000		$ 29,200,000	$ 30,500,000
Performance stock units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase RSUs (in shares)				2,505,000	1,129,000	1,367,000	904,000
Number of executives granted awards | executive				1
Amortization of stock based compensation | $				$ 6,100,000	$ 8,200,000	$ 9,500,000
2007 Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserved common stock for issuance of options (in shares)										46,800,000
Authorized issuance of common stock shares (in shares)		31,600,000
Duration of ESPP		20 years
Common stock payroll deduction price percentage of lover of fair market value		85.00%
ESPP offering period	6 months
Employee payroll deduction limit		15.00%
Maximum employee stock purchase (in shares)		3,000
Maximum employee stock purchase | $		$ 25,000
2007 Plan | Stock options outstanding
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase common stock (in shares)				700,000
2007 Plan | Restricted Stock Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Options to purchase RSUs (in shares)				300,000
2016 Equity Incentive Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Reserved common stock for issuance of options (in shares)				22,700,000
Number of shares authorized for issuance (in shares)	1,500,000								7,300,000
2016 Plan maximum term			10 years