Credit Facility And Debt (Details) - USD ($)	12 Months Ended
	Jul. 01, 2016	Jan. 01, 2016	Jul. 03, 2015
Silicon Valley Bank
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 30,000,000	$ 40,000,000.0
Weight average interest rate during reporting period	3.88%
Outstanding debt balance	$ 9,000,000
Weighted average interest rate at period end	4.00%		3.75%
Credit facility, early termination fee as percentage of the revolving line	1.00%
Available credit under credit facility	$ 4,800,000
Borrowing base, calculated amount	$ 20,000,000
Additional spread on applicable rate in event of default	2.00%
Silicon Valley Bank | Foreign Line of Credit
Line of Credit Facility [Line Items]
Interest rate above applicable margin	2.00%
Credit facility sublimit available for Singapore	$ 30,000,000
Silicon Valley Bank | Letter of Credit
Line of Credit Facility [Line Items]
Line of credit facility, amount outstanding	6,200,000
Silicon Valley Bank | Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 12,000,000
Prime Rate | Silicon Valley Bank | Maximum
Line of Credit Facility [Line Items]
Basis spread on variable rate	1.50%
Prime Rate | Silicon Valley Bank | Minimum
Line of Credit Facility [Line Items]
Basis spread on variable rate	0.50%
New Zealand
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 400,000.0
New Zealand | Revolving Credit Facility
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	300,000
New Zealand | Standby Letters of Credit
Line of Credit Facility [Line Items]
Credit facility, maximum borrowing capacity	$ 100,000