Consolidated Statements of Shareholders' Equity (Unaudited) - 9 months ended Jun. 27, 2015 - USD ($) shares in Thousands	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	AOCI Attributable to Parent [Member]	Total
Balance (in shares) at Sep. 27, 2014	18,377
Balance at Sep. 27, 2014	$ 18,377,000	$ 58,867,000	$ 103,429,000	$ (1,790,000)	$ 178,883,000
Net earnings			$ 12,086,000		$ 12,086,000
Stock options exercised, net (in shares)	24				27
Stock options exercised, net	$ 24,000	$ 176,000			$ 200,000
Vesting of restricted stock units (in shares)	38
Vesting of restricted stock units	$ 38,000	(38,000)			0
Compensation expense associated with stock-based plans		1,502,000			1,502,000
Excess tax benefits from stock-based compensation		150,000			150,000
Restricted stock units and stock options surrendered for withholding taxes payable		$ (254,000)			(254,000)
Cash dividends declared			$ (1,657,000)		(1,657,000)
Balance (in shares) at Jun. 27, 2015	18,439
Balance at Jun. 27, 2015	$ 18,439,000	$ 60,403,000	$ 113,858,000	$ (1,790,000)	$ 190,910,000