CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 29, 2017	Sep. 29, 2017	Dec. 30, 2016
Current assets:
Cash and cash equivalents	$ 73,006	$ 63,810	$ 51,860
Short term investments	5,313	46,607	0
Accounts receivable, net	71,895	46,814	72,349
Inventories	90,861	79,148	76,037
Other current assets	3,483	4,470	4,819
Total current assets	244,558	240,849	205,065
Property, plant and equipment, net of accumulated depreciation of $135,497, $132,567 and $125,286, respectively	52,113	48,938	48,544
Deferred income taxes	16,176	22,632	22,745
Goodwill	11,228	11,238	11,170
Other intangible assets, net	13,235	13,476	14,060
Other assets	17,823	16,526	14,883
Total assets	355,133	353,659	316,467
Current liabilities:
Accounts payable	37,893	31,686	32,033
Accrued liabilities:
Salaries, wages and benefits	13,522	21,825	12,171
Accrued warranty	7,408	6,393	4,781
Income taxes payable	6,551	5,434	1,055
Accrued discounts and returns	6,836	5,137	6,116
Other	13,379	13,602	12,159
Total current liabilities	85,589	84,077	68,315
Long-term debt, less current maturities	0	0	13,001
Deferred income taxes	1,835	1,845	1,147
Retirement benefits	8,602	8,844	12,527
Other liabilities	17,161	15,889	14,641
Total liabilities	113,187	110,655	109,631
Common stock:
Capital in excess of par value	73,145	72,801	71,554
Retained earnings	166,151	166,905	138,571
Accumulated other comprehensive income	4,856	4,993	(1,305)
Treasury stock at cost, shares of Class A common stock: 69,982, 67,137 and 79,071, respectively	(2,709)	(2,198)	(2,488)
Total shareholders’ equity	241,946	243,004	206,836
Total liabilities and shareholders’ equity	355,133	353,659	316,467
Class A
Common stock:
Shares issued and outstanding	442	442	443
Class B
Common stock:
Shares issued and outstanding	$ 61	$ 61	$ 61