Basis of Presentation and Significant Accounting Policies (Tables)

3 Months Ended

Apr. 01, 2017

Accounting Policies [Abstract]

Schedule of Derivative Instruments

We mitigate foreign currency exchange rate risk by entering into foreign currency forward exchange contracts, details of which are presented in the following table:

	April 1, 2017		December 31, 2016
Total cost of contracts for Japanese yen (thousands)	$	2,323	$	2,323
Number of contracts	2		2
Settlement month	June 2017		June 2017

Schedules of Revenue Concentration of Risk

Revenue attributable to resale of products by sell-through distributors as a percentage of total revenue is presented in the following table:

	Three Months Ended
	April 1, 2017		April 2, 2016
Revenue attributable to sell-through distributors	60	%	53	%

The percentage of total revenue attributable to our top five end customers and largest end customer is presented in the following table:

	Three Months Ended
	April 1, 2017		April 2, 2016
Revenue attributable to top five end customers	37	%	27	%
Revenue attributable to largest end customer	12	%	8	%

Deferred Income and Allowances on Sales to Sell-through Distributors

The components of Deferred income and allowances on sales to sell-through distributors are presented in the following table:

(In thousands)	April 1, 2017			December 31, 2016
Inventory valued at published list prices and held by sell-through distributors with right of return	$	84,382		$	86,218
Allowance for distributor advances	(42,160		)	(37,090		)
Deferred cost of sales related to inventory held by sell-through distributors	(12,685		)	(16,871		)
Total Deferred income and allowances on sales to sell-through distributors	$	29,537		$	32,257