Condensed Consolidated Balance Sheets (USD $) In Thousands, unless otherwise specified	Apr. 03, 2015	Oct. 03, 2014	Mar. 28, 2014
Current assets:
Cash and cash equivalents	$ 48,906	$ 70,793	$ 48,653
Accounts receivable, net	110,817us-gaap_AccountsReceivableNetCurrent	44,452us-gaap_AccountsReceivableNetCurrent	98,484us-gaap_AccountsReceivableNetCurrent
Inventories	79,752us-gaap_InventoryNet	66,341us-gaap_InventoryNet	85,089us-gaap_InventoryNet
Deferred income taxes	8,613us-gaap_DeferredTaxAssetsNetCurrent	8,360us-gaap_DeferredTaxAssetsNetCurrent	8,798us-gaap_DeferredTaxAssetsNetCurrent
Other current assets	5,764us-gaap_OtherAssetsCurrent	7,604us-gaap_OtherAssetsCurrent	6,384us-gaap_OtherAssetsCurrent
Total current assets	253,852us-gaap_AssetsCurrent	197,550us-gaap_AssetsCurrent	247,408us-gaap_AssetsCurrent
Property, plant and equipment, net of accumulated depreciation of $111,439, $108,668 and $105,758, respectively	44,741us-gaap_PropertyPlantAndEquipmentNet	46,100us-gaap_PropertyPlantAndEquipmentNet	45,198us-gaap_PropertyPlantAndEquipmentNet
Deferred income taxes	4,195us-gaap_DeferredTaxAssetsNetNoncurrent	5,353us-gaap_DeferredTaxAssetsNetNoncurrent	7,679us-gaap_DeferredTaxAssetsNetNoncurrent
Goodwill	14,309us-gaap_Goodwill	14,416us-gaap_Goodwill	21,137us-gaap_Goodwill
Other intangible assets, net	12,088	12,518	14,748
Other assets	13,666us-gaap_OtherAssetsNoncurrent	12,689us-gaap_OtherAssetsNoncurrent	12,359us-gaap_OtherAssetsNoncurrent
Total assets	342,851us-gaap_Assets	288,626us-gaap_Assets	348,529us-gaap_Assets
Current liabilities:
Short-term debt			150
Current maturities of long term debt	359us-gaap_LongTermDebtCurrent	360us-gaap_LongTermDebtCurrent	418us-gaap_LongTermDebtCurrent
Accounts payable	40,923us-gaap_AccountsPayableCurrent	27,896us-gaap_AccountsPayableCurrent	40,689us-gaap_AccountsPayableCurrent
Accrued liabilities:
Salaries, wages and benefits	11,872	14,780	10,413
Accrued warranty	4,219us-gaap_ProductWarrantyAccrual	4,078us-gaap_ProductWarrantyAccrual	4,614us-gaap_ProductWarrantyAccrual
Income taxes payable	1,203us-gaap_AccruedIncomeTaxesCurrent	833us-gaap_AccruedIncomeTaxesCurrent	4,215us-gaap_AccruedIncomeTaxesCurrent
Other	17,764us-gaap_OtherLiabilitiesCurrent	12,285us-gaap_OtherLiabilitiesCurrent	16,236us-gaap_OtherLiabilitiesCurrent
Total current liabilities	76,340us-gaap_LiabilitiesCurrent	60,232us-gaap_LiabilitiesCurrent	76,735us-gaap_LiabilitiesCurrent
Long-term debt, less current maturities	55,333us-gaap_LongTermDebtNoncurrent	7,431us-gaap_LongTermDebtNoncurrent	49,627us-gaap_LongTermDebtNoncurrent
Deferred income taxes	1,221	1,133	1,125
Retirement benefits	8,388	7,804	6,110
Other liabilities	13,526us-gaap_OtherLiabilitiesNoncurrent	13,568us-gaap_OtherLiabilitiesNoncurrent	13,558us-gaap_OtherLiabilitiesNoncurrent
Total liabilities	154,808us-gaap_Liabilities	90,168us-gaap_Liabilities	147,155us-gaap_Liabilities
Shareholders' equity:
Preferred stock: none issued
Common stock:
Capital in excess of par value	68,672us-gaap_AdditionalPaidInCapital	67,882us-gaap_AdditionalPaidInCapital	66,223us-gaap_AdditionalPaidInCapital
Retained earnings	115,541	117,573	115,141
Accumulated other comprehensive income	4,104	12,778	19,819
Treasury stock at cost, shares of Class A common stock: 26,510, 11,203 and 12,523, respectively	(776)us-gaap_TreasuryStockValue	(275)us-gaap_TreasuryStockValue	(308)us-gaap_TreasuryStockValue
Total shareholders' equity	188,043us-gaap_StockholdersEquity	198,458us-gaap_StockholdersEquity	201,374us-gaap_StockholdersEquity
Total liabilities and shareholders' equity	342,851	288,626	348,529
Class A [Member]
Common stock:
Shares issued and outstanding	441	439	438
Class B [Member]
Common stock:
Shares issued and outstanding	$ 61	$ 61	$ 61

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Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).