Note 1 - General (Detail) - Business Acquisitions - Initial Purchase Price Allocation (USD $) In Thousands, unless otherwise specified	Sep. 30, 2012	Jun. 30, 2012
Total consideration recorded	$ 206,770
CRTS [Member]
Cash	361
Receivables and cost and estimated earnings in excess of billings	2,365
Inventories	21
Prepaid expenses and other current assets	175
Property, plant and equipment	5,350
Identified intangible assets	26,220
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(2,830)
Deferred tax liabilities	(12,981)
Total identifiable net assets	18,681
Total consideration recorded	38,760
Less: total identifiable net assets	18,681
Goodwill at September 30, 2012	20,079
Hockway [Member]
Cash	536
Receivables and cost and estimated earnings in excess of billings	2,341
Inventories	623
Prepaid expenses and other current assets	228
Property, plant and equipment	324
Identified intangible assets	2,200
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(1,767)
Total identifiable net assets	4,485
Total consideration recorded	5,006
Less: total identifiable net assets	4,485
Goodwill at September 30, 2012	521
Fyfe NA [Member]
Cash	1,096
Receivables and cost and estimated earnings in excess of billings	16,019
Inventories	5,977
Prepaid expenses and other current assets	792
Property, plant and equipment	1,064
Identified intangible assets	53,768
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(3,642)
Total identifiable net assets	75,074
Total consideration recorded	118,118
Less: total identifiable net assets	75,074
Goodwill at September 30, 2012	43,044
Fyfe LA [Member]
Cash	301
Receivables and cost and estimated earnings in excess of billings	195
Inventories	514
Prepaid expenses and other current assets	75
Property, plant and equipment	90
Identified intangible assets	1,663
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(702)
Deferred tax liabilities	(446)
Total identifiable net assets	1,690
Total consideration recorded	4,169
Less: total identifiable net assets	1,690
Goodwill at September 30, 2012	2,479
Fyfe Asia [Member]
Cash	1,303
Receivables and cost and estimated earnings in excess of billings	9,595
Prepaid expenses and other current assets	1,279
Property, plant and equipment	938
Identified intangible assets	14,200
Accounts payable, accrued expenses and billings in excess of cost and estimated earnings	(4,906)
Deferred tax liabilities	(2,784)
Total identifiable net assets	19,625	21,369
Total consideration recorded	40,717
Less: total identifiable net assets	19,625	21,369
Goodwill at September 30, 2012	$ 21,092	$ 19,348