Acquisition of BAM Labs, Inc. (Details) - USD ($) $ in Thousands	1 Months Ended	12 Months Ended
	Sep. 30, 2015	Jan. 02, 2016	Jan. 03, 2015	Dec. 28, 2013	Sep. 29, 2015
Business Acquisition [Line Items]
Cash paid to acquire remaining capital stock of BAM Labs, Inc.		$ 70,018	$ 0	$ 15,500
Research and Development Expense		15,971	8,233	9,478
Goodwill		64,046	$ 8,963	$ 8,963
BAM Labs, Inc. [Member]
Business Acquisition [Line Items]
Remeasured Fair Value	$ 12,900
Cash paid to acquire remaining capital stock of BAM Labs, Inc.	$ 57,100
Total acquisition price		70,018
Accounts Receivables		105
Inventory		83
Prepaid expenses		98
Property and Equipment		91
Deferred income taxes - LT		2,671
Goodwill		55,083
Intangible Assets		13,619
Total Assets Acquired		71,750
Accounts Payable		269
Compensation and benefits		322
Other long-term liabilities		1,141
Total liabilities acquired		1,732
Acquired Intangible Assets - Tax Deductibility Period (in years)	15 years
Developed Technologies [Member] | BAM Labs, Inc. [Member]
Business Acquisition [Line Items]
Estimated Useful Life - acquired developed technologies	8 years
Other Noncurrent Assets [Member]
Business Acquisition [Line Items]
Cost Method Investment					$ 6,000
Research and Development Expense [Member] | BAM Labs, Inc. [Member]
Business Acquisition [Line Items]
Research and Development Expense		$ 3,300