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Note 21 - Financial Information About the Parent, the Issuer and the Guarantors (Detail) - Condensed Consolidating Statement Of Cash Flows (USD $) | 12 Months Ended
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Jun. 30, 2012 | Jun. 30, 2011 | Jun. 30, 2010
Net cash provided by (used in) operating activities | $ 37,701,000 | $ 63,162,000 | $ 51,331,000
Cash flows from investing activities: |  |  |
Capital expenditures | 22,884,000 | 9,094,000 | 9,922,000
Acquisitions | 520,000 | 2,957,000 | 50,000
Proceeds from the disposal of property, plant and equipment | 1,873,000 | 3,196,000 | 13,198,000
Change in restricted cash and investments | (975,000) | (927,000) | 17,318,000
Purchase of marketable securities | 3,647,000 | 9,466,000 | 11,364,000
Proceeds from the sale of marketable securities | 7,230,000 | 7,319,000 | 200,000
Other | (816,000) | (432,000) | (165,000)
Net cash provided by (used in) investing activities | (16,157,000) | (9,643,000) | (25,091,000)
Payments on long-term debt | 12,204,000 | 37,887,000 | 42,000
Purchases and other retirements of company stock | 1,350,000 | 5,377,000 |
Dividends paid | 8,062,000 | 5,754,000 | 5,801,000
Net cash provided by (used in) financing activities | (20,878,000) | (49,079,000) | (6,041,000)
Effect of exchange rate changes on cash | 536,000 | 227,000 | 693,000
Net decrease in cash and cash equivalents | 1,202,000 | 4,667,000 | 20,892,000
Cash & cash equivalents - beginning of year | 78,519,000 | 73,852,000 | 52,960,000
Cash & cash equivalents - end of year | 79,721,000 | 78,519,000 | 73,852,000
Parent Company [Member] |  |  |
Net cash provided by (used in) operating activities | 9,187,000 | 11,055,000 | 5,800,000
Cash flows from investing activities: |  |  |
Purchases and other retirements of company stock | (1,350,000) | (5,377,000) |
Proceeds from issuance of common stock | 225,000 | 76,000 | 1,000
Dividends paid | (8,062,000) | (5,754,000) | (5,801,000)
Net cash provided by (used in) financing activities | (9,187,000) | (11,055,000) | (5,800,000)
Subsidiary Issuer [Member] |  |  |
Net cash provided by (used in) operating activities | 3,939,000 | 38,590,000 | 48,466,000
Cash flows from financing activities: |  |  |
Increase in deferred financing costs |  | (137,000) | (199,000)
Cash flows from investing activities: |  |  |
Capital expenditures | (1,952,000) | (1,182,000) | (393,000)
Proceeds from the disposal of property, plant and equipment | 12,000 |  |
Change in restricted cash and investments | 975,000 | 927,000 | (17,318,000)
Purchase of marketable securities | (3,647,000) | (9,466,000) | (11,364,000)
Proceeds from the sale of marketable securities | 7,230,000 | 7,319,000 | 200,000
Other | 305,000 | 432,000 | 165,000
Net cash provided by (used in) investing activities | 2,923,000 | (1,970,000) | (28,710,000)
Payments on long-term debt | (11,917,000) | (33,989,000) |
Excess tax benefits from share-based payment arrangements | 238,000 |  |
Net cash provided by (used in) financing activities | (11,679,000) | (34,126,000) | (199,000)
Net decrease in cash and cash equivalents | (4,817,000) | 2,494,000 | 19,557,000
Cash & cash equivalents - beginning of year | 69,763,000 | 67,269,000 | 47,712,000
Cash & cash equivalents - end of year | 64,946,000 | 69,763,000 | 67,269,000
Guarantor Subsidiaries [Member] |  |  |
Net cash provided by (used in) operating activities | 18,441,000 | 10,672,000 | (4,272,000)
Cash flows from investing activities: |  |  |
Capital expenditures | (15,721,000) | (5,017,000) | (6,706,000)
Acquisitions | (520,000) | (2,957,000) | (50,000)
Proceeds from the disposal of property, plant and equipment | 1,861,000 | 3,196,000 | 13,198,000
Other | 511,000 |  |
Net cash provided by (used in) investing activities | (13,869,000) | (4,778,000) | 6,442,000
Payments on long-term debt | (287,000) | (3,898,000) | (42,000)
Proceeds from noncontrolling interest | 275,000 |  |
Net cash provided by (used in) financing activities | (12,000) | (3,898,000) | (42,000)
Net decrease in cash and cash equivalents | 4,560,000 | 1,996,000 | 2,128,000
Cash & cash equivalents - beginning of year | 7,716,000 | 5,720,000 | 3,592,000
Cash & cash equivalents - end of year | 12,276,000 | 7,716,000 | 5,720,000
Non-Guarantor Subsidiaries [Member] |  |  |
Net cash provided by (used in) operating activities | 6,134,000 | 2,845,000 | 1,337,000
Cash flows from investing activities: |  |  |
Capital expenditures | (5,211,000) | (2,895,000) | (2,823,000)
Net cash provided by (used in) investing activities | (5,211,000) | (2,895,000) | (2,823,000)
Effect of exchange rate changes on cash | 536,000 | 227,000 | 693,000
Net decrease in cash and cash equivalents | 1,459,000 | 177,000 | (793,000)
Cash & cash equivalents - beginning of year | 1,040,000 | 863,000 | 1,656,000
Cash & cash equivalents - end of year | 2,499,000 | 1,040,000 | 863,000
Consolidated Entities [Member] |  |  |
Net cash provided by (used in) operating activities | 37,701,000 | 63,162,000 | 51,331,000
Cash flows from financing activities: |  |  |
Increase in deferred financing costs |  | (137,000) | (199,000)
Cash flows from investing activities: |  |  |
Capital expenditures | (22,884,000) | (9,094,000) | (9,922,000)
Acquisitions | (520,000) | (2,957,000) | (50,000)
Proceeds from the disposal of property, plant and equipment | 1,873,000 | 3,196,000 | 13,198,000
Change in restricted cash and investments | 975,000 | 927,000 | (17,318,000)
Purchase of marketable securities | (3,647,000) | (9,466,000) | (11,364,000)
Proceeds from the sale of marketable securities | 7,230,000 | 7,319,000 | 200,000
Other | 816,000 | 432,000 | 165,000
Net cash provided by (used in) investing activities | (16,157,000) | (9,643,000) | (25,091,000)
Payments on long-term debt | (12,204,000) | (37,887,000) | (42,000)
Purchases and other retirements of company stock | (1,350,000) | (5,377,000) |
Proceeds from issuance of common stock | 225,000 | 76,000 | 1,000
Excess tax benefits from share-based payment arrangements | 238,000 |  |
Proceeds from noncontrolling interest | 275,000 |  |
Dividends paid | (8,062,000) | (5,754,000) | (5,801,000)
Net cash provided by (used in) financing activities | (20,878,000) | (49,079,000) | (6,041,000)
Effect of exchange rate changes on cash | 536,000 | 227,000 | 693,000
Net decrease in cash and cash equivalents | 1,202,000 | 4,667,000 | 20,892,000
Cash & cash equivalents - beginning of year | 78,519,000 | 73,852,000 | 52,960,000
Cash & cash equivalents - end of year | $ 79,721,000 | $ 78,519,000 | $ 73,852,000

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- Definition The net cash from (used in) all of the entity's operating activities, including those of discontinued operations, of the reporting entity. Operating activities generally involve producing and delivering goods and providing services. Operating activity cash flows include transactions, adjustments, and changes in value that are not defined as investing or financing activities. While for technical reasons this element has no balance attribute, the default assumption is a debit balance consistent with its label. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 26 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3536-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 24 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3521-108585 + Details
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- Definition The cash outflow to reacquire common stock during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 + Details
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- Definition The cash outflow from purchases of trading, available-for-sale securities and held-to-maturity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=6871852&loc=d3e26853-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 17 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The net cash inflow or outflow from noncontrolled interest to increase or decrease the number of shares they have in the entity. This does not include dividends paid to the noncontrolling interest. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The cash inflow associated with the amount received from the stock plan during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 19 -Subparagraph a -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 14 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3255-108585 + Details
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- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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