CONDENSED CONSOLIDATED BALANCE SHEETS (unaudited) - USD ($) $ in Thousands	Jan. 01, 2021	Oct. 02, 2020	Dec. 27, 2019
Current assets:
Cash and cash equivalents	$ 195,923	$ 212,437	$ 138,257
Accounts receivable, net	97,386	67,292	78,249
Inventories	114,849	97,437	103,885
Other current assets	9,098	11,372	9,735
Total current assets	417,256	388,538	330,126
Property, plant and equipment, net of accumulated depreciation of $160,822, $156,541 and $146,453, respectively	63,657	63,037	59,629
Right of use assets	38,784	40,666	40,302
Deferred income taxes	10,850	10,679	11,456
Goodwill	11,219	11,184	11,193
Other intangible assets, net	8,911	9,052	11,128
Other assets	26,504	22,870	22,289
Total assets	577,181	546,026	486,123
Current liabilities:
Accounts payable	44,908	37,327	35,384
Current lease liability	6,411	6,587	5,835
Accrued liabilities:
Salaries, wages and benefits	16,080	23,275	13,767
Accrued warranty	11,980	10,849	10,443
Income taxes payable	10,724	6,681	9,598
Accrued discounts and returns	8,648	5,113	8,146
Accrued customer programs	5,508	4,426	3,819
Other	9,029	11,349	8,269
Total current liabilities	113,288	105,607	95,261
Non-current lease liability	33,260	34,931	35,133
Deferred income taxes	1,477	1,418	1,657
Retirement benefits	801	853	1,001
Deferred compensation liability	25,033	21,585	21,009
Other liabilities	4,710	3,532	1,823
Total liabilities	178,569	167,926	155,884
Common stock:
Capital in excess of par value	79,379	78,668	76,523
Retained earnings	314,184	296,431	253,114
Accumulated other comprehensive income	7,260	4,717	2,319
Treasury stock at cost, shares of Class A common stock: 41,977, 36,316 and 36,354, respectively	(2,715)	(2,220)	(2,221)
Total shareholders’ equity	398,612	378,100	330,239
Total liabilities and shareholders’ equity	577,181	546,026	486,123
Class A
Common stock:
Shares issued and outstanding	443	443	443
Class B
Common stock:
Shares issued and outstanding	$ 61	$ 61	$ 61