Note 8 Acquisition (Details) - USD ($) $ in Thousands	3 Months Ended	6 Months Ended		12 Months Ended
	Apr. 02, 2016	Apr. 02, 2016	Mar. 28, 2015	Oct. 03, 2015
Business Acquisition [Line Items]
Payments to acquire businesses, net of cash acquired		$ 58,878	$ 0
Discounted value of notes issued		30,105	$ 0
Storage Software Provider [Member]
Business Acquisition [Line Items]
Goodwill recognized, 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 and leverage the acquisition to develop other software solutions.
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	1,618
Noncurrent assets	38,510	38,510
Current liabilities	(3,146)	(3,146)
Noncurrent liabilities	(144)	(144)
Total	36,838	36,838
Cash	1,300	1,300
Intangible sssets, other than goodwill	7,300	7,300
Goodwill	$ 30,800	30,800
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	31,580
Noncurrent assets	24,122	24,122
Noncurrent liabilities	(581)	(581)
Total	55,121	$ 55,121
Q4 2015 Acquisition [Member]
Business Acquisition [Line Items]
Payments to acquire businesses, net of cash acquired				$ 13,900
Contingent consideration, liability				11,000
Contingent consideration arrangements, range of outcomes, value, high				$ (23,500)
Change in estimated amount of contingent consideration	$ (7,600)
Contingent consideration arrangement description		if certain annual earnings targets are achieved
Minimum [Member] | Storage Software Provider [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	3 years
Maximum [Member] | Storage Software Provider [Member]
Business Acquisition [Line Items]
Finite-lived intangible asset, useful life	4 years