Subsequent Event	3 Months Ended
Mar. 30, 2019
Subsequent Events [Abstract]
Subsequent Event	Note 16. Subsequent Event Gain on Disposal of Fixed Asset – Condominium On April 2, 2019, the Company closed escrow on the sale of the last condominium it owned in Milpitas, California, at a sales price of $0.9 million. The Company expects to report a gain on the sale of the asset, net of certain fees and commissions, as a component of other income, during the three months ending June 29, 2019 of approximately $0.8 million. As part of its facilities strategy, the Company had determined that it would no longer house traveling employees in owned condominiums and has divested all such assets.

The entire disclosure for significant events or transactions that occurred after the balance sheet date through the date the financial statements were issued or the date the financial statements were available to be issued. Examples include: the sale of a capital stock issue, purchase of a business, settlement of litigation, catastrophic loss, significant foreign exchange rate changes, loans to insiders or affiliates, and transactions not in the ordinary course of business.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 855
-URI http://asc.fasb.org/topic&trid=2122774

Name:	us-gaap_SubsequentEventsTextBlock
Namespace Prefix:	us-gaap_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration