Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

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The increase during the period in capital lease obligations due to entering into new capital leases.

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Effective interest rate for the funds borrowed under the debt agreement considering interest compounding and original issue discount or premium.

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The cash outflow for the obligation for a lease meeting the criteria for capitalization (with maturities exceeding one year or beyond the operating cycle of the entity, if longer).

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Amount, after cash payment, of expenses associated with exit or disposal activities pursuant to an authorized plan. Excludes expenses related to a discontinued operation or an asset retirement obligation.

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Note 13 - Lease Financing Obligations (Details Textual) - USD ($)	1 Months Ended			3 Months Ended		9 Months Ended
	Jan. 31, 2015	Oct. 31, 2014	Jul. 31, 2012	Jan. 01, 2017	Dec. 27, 2015	Jan. 01, 2017	Dec. 27, 2015	Mar. 27, 2016
Repayments of Long-term Capital Lease Obligations						$ 2,783,000	$ 2,294,000
Asset Impairment Charges				$ 0		1,519,000
Restructuring Costs						1,148,000	$ 905,000
Design Tool Impairment [Member]
Restructuring Costs				$ 400,000		$ 400,000
Capital Lease Obligations [Member] \| Minimum [Member]
Debt Instrument, Interest Rate, Effective Percentage				2.00%		2.00%
Capital Lease Obligations [Member] \| Maximum [Member]
Debt Instrument, Interest Rate, Effective Percentage								7.25%
January Two Thousand Fifteen Two-Year And Two Three-Year License [Member]
Repayments of Long-term Capital Lease Obligations	$ 1,000,000
October 2014 Three-Year License [Member]
Repayments of Long-term Capital Lease Obligations		$ 1,500,000
Property, Plant and Equipment, Net [Member] \| January Two Thousand Fifteen Two-Year And Two Three-Year License [Member]
Capital Lease Obligations Incurred	$ 6,900,000
Property, Plant and Equipment, Net [Member] \| October 2014 Three-Year License [Member]
Capital Lease Obligations Incurred		$ 4,400,000
Property, Plant and Equipment, Net [Member] \| July 2012 Three-Year License [Member]
Capital Lease Obligations Incurred			$ 900,000