Note 16 - Industry Segment Information (Details) - Net Sales and Income (Loss) by Industry Segments (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Dec. 31, 2014	Dec. 31, 2013	Sep. 30, 2013
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net Sales	$ 189,337us-gaap_SalesRevenueNet	$ 166,540us-gaap_SalesRevenueNet		$ 391,364us-gaap_SalesRevenueNet	$ 344,680us-gaap_SalesRevenueNet
Income from Operations	15,852us-gaap_OperatingIncomeLoss	15,138us-gaap_OperatingIncomeLoss		37,089us-gaap_OperatingIncomeLoss	32,202us-gaap_OperatingIncomeLoss
Interest expense	(788)us-gaap_InterestExpense	(592)us-gaap_InterestExpense		(1,431)us-gaap_InterestExpense	(1,152)us-gaap_InterestExpense
Other non-operating income	188us-gaap_OtherNonoperatingIncomeExpense	66us-gaap_OtherNonoperatingIncomeExpense		453us-gaap_OtherNonoperatingIncomeExpense	520us-gaap_OtherNonoperatingIncomeExpense
Income from continuing operations before income taxes	15,252	14,612		36,111	31,570
Restructuring costs	(1,094)us-gaap_RestructuringCharges	(644)us-gaap_RestructuringCharges	(644)us-gaap_RestructuringCharges	(1,956)us-gaap_RestructuringCharges	(4,450)us-gaap_RestructuringCharges	(4,450)us-gaap_RestructuringCharges
Other operating income (expense), net	0us-gaap_OtherOperatingIncomeExpenseNet	1,962us-gaap_OtherOperatingIncomeExpenseNet		(59)us-gaap_OtherOperatingIncomeExpenseNet	1,962us-gaap_OtherOperatingIncomeExpenseNet
Food Service Equipment Group [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net Sales	98,533	87,370		212,366	187,281
Income from Operations	6,912	7,294		18,585	19,263
Restructuring costs	(789)		(724)	(1,464)		(4,070)
Engraving Group [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net Sales	26,625	28,384		54,713	53,411
Income from Operations	5,947	5,820		12,890	10,593
Restructuring costs	(27)		107	(64)		(145)
Engineering Technologies Group [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net Sales	26,605	17,323		46,724	34,588
Income from Operations	3,218	2,456		5,438	4,538
Electronics Products Group [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net Sales	27,823	26,461		57,293	54,605
Income from Operations	4,738	4,392		10,284	9,530
Restructuring costs	(278)		(27)	(428)		(235)
Hydraulics Products Group [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Net Sales	9,751	7,002		20,268	14,795
Income from Operations	1,452	1,059		3,174	2,233
Corporate and Other [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Income from Operations	$ (5,321)	$ (7,201)		$ (11,267)	$ (11,467)

Sum of operating profit and nonoperating income or expense before Income or Loss from equity method investments, income taxes, extraordinary items, and noncontrolling interest.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 235

-SubTopic 10

-Section S99

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Amount of the cost of borrowed funds accounted for as interest expense.

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Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts.

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