Revenue from Contracts with Customers - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Jun. 30, 2018	Dec. 29, 2018	Dec. 30, 2017		Dec. 31, 2016	[2]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Price adjustment measurement period		6 months
Stock rotation as percentage of billings (not to exceed)		5.00%
Royalty revenue periodic adjustment period		3 years
Cumulative effect adjustments			$ 27,401	[1]	$ (355)
Proceeds from royalties received	$ 6,400
Accumulated deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustments			27,401	[1]	$ (355)
Accounting Standards Update 2014-09 | Accumulated deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustments			27,400
Deferred Distributor Revenues | Accounting Standards Update 2014-09 | Accumulated deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustments			20,200
Deferred Licensing Revenues | Accounting Standards Update 2014-09 | Accumulated deficit
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Cumulative effect adjustments			$ 6,600
Minimum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Payment term for invoice		30 days
Maximum
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Payment term for invoice		60 days

[1] As of the beginning of fiscal 2018, we adopted ASC 606, Revenue from Contracts With Customers, using the modified retrospective transition method. Asa result of this adoption, we recorded a cumulative-effect adjustment to Accumulated deficit, as shown in the table above.

[2] During the first quarter of fiscal 2017, we early adopted ASU 2016-16, Income Taxes (Topic 740): Intra-Entity Transfers of Assets Other Than Inventory.This guidance is required to be applied on a modified retrospective basis through a cumulative-effect adjustment to the balance sheet as of the beginningof the fiscal year of adoption. As a result of this adoption, we recorded a nominal amount to Accumulated deficit, as detailed in the table above.