Note 3 Foreign Currency Forward Contract (Details) $ in Thousands	6 Months Ended
	Apr. 01, 2017 USD ($)	Oct. 01, 2016 USD ($)
Derivative [Line Items]
Fair Value of Long-term Debt Instrument	the fair value of the Company's long-term debt, as estimated based primarily on quoted prices (Level 2 input), was approximately 2% higher than its carrying amount
Foreign Currency Forward | Derivatives Designated as Accounting Hedges:
Derivative [Line Items]
Derivative Notional Amount	$ 86,482	$ 110,242
Number of contracts	53	43
Maximum Length of Time Hedged	12 months
Foreign Currency Forward | Derivatives Not Designated as Accounting Hedges:
Derivative [Line Items]
Derivative Notional Amount	$ 304,879	$ 313,558
Number of contracts	44	46
Maximum Remaining Maturity	2 months