Note 12 Acquisition (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended	12 Months Ended
	Apr. 02, 2016	Dec. 28, 2013	Jun. 28, 2014	Oct. 01, 2016	Oct. 03, 2015	Sep. 27, 2014	Feb. 01, 2016	Jan. 05, 2016
Business Acquisition [Line Items]
Consideration Transferred				$ 90,300
Cash Paid for Business Combination				60,200
Payments to Acquire Businesses, Net of Cash Acquired				58,878	$ 13,887	$ 79,508
Discounted value of notes issued				30,105	0	14,789
Goodwill				$ 59,126	26,617	$ 25,701
Minimum
Business Acquisition [Line Items]
Intangible Asset, Useful Life				1 year
Maximum
Business Acquisition [Line Items]
Intangible Asset, Useful Life				5 years
Manufacturing Facility [Member]
Business Acquisition [Line Items]
Effective Date of Acquisition	Feb. 01, 2016
Consideration Transferred				$ 53,500
Payments to Acquire Businesses, Net of Cash Acquired				$ 41,200
Promissory Note Description				four-year non-interest bearing promissory note
Bargain Purchase Gain	$ 1,600
Bargain Purchase Gain Description				The bargain purchase gain resulted from the discount attributable to financing a portion of the purchase price with the acquiree using a non-interest bearing promissory note.
Discounted value of notes issued				$ 12,300
Current assets							$ 31,580
Noncurrent assets							24,122
Noncurrent liabilities							(581)
Total							$ 55,121
Storage Software Provider [Member]
Business Acquisition [Line Items]
Effective Date of Acquisition	Jan. 05, 2016
Consideration Transferred				36,800
Payments to Acquire Businesses, Net of Cash Acquired				$ 19,000
Promissory Note Description				non-interest bearing promissory note
Maturity Date				May 01, 2016
Discounted value of notes issued				$ 17,800
Current assets								$ 1,618
Noncurrent assets								38,510
Current liabilities								(3,146)
Noncurrent liabilities								(144)
Total								36,838
Cash								1,300
Intangible Assets, Other than Goodwill								7,300
Goodwill								$ 30,800
Goodwill Description				Goodwill is tax deductible and reflects the Company's expectation that the acquisition will enable the Company to broaden its relationships with certain of its existing key customers, realize synergies associated with leveraging the acquisition to develop other software solutions to become a provider of a full storage systems solution, and leverage the acquiree's knowledgeable and experienced workforce.
Storage Software Provider [Member] | Minimum
Business Acquisition [Line Items]
Intangible Asset, Useful Life				3 years
Storage Software Provider [Member] | Maximum
Business Acquisition [Line Items]
Intangible Asset, Useful Life				4 years
Q4 2015 Acquisition
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired					15,400
Contingent Consideration, Liability					11,000
Contingent Consideration Arrangements, Range of Outcomes, Value, High					$ 23,500
Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability	$ (7,600)
Q1 2014 Acquisition
Business Acquisition [Line Items]
Payments to Acquire Businesses, Net of Cash Acquired		$ 54,100
Q3 2014 Acquisition
Business Acquisition [Line Items]
Consideration Transferred			$ 40,200
Payments to Acquire Businesses, Net of Cash Acquired			25,400
Discounted value of notes issued			$ 14,800