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Note 17. Employee Benefit Plans (Details) - Company's Participation in Multiemployer Pension Plans (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Jun. 30, 2014 | Jun. 30, 2013 | Jun. 30, 2012
Multiemployer Plans [Line Items] |  |  |
Multiemployer plan contributions | $ 1,200 | $ 1,050 | $ 951
New England Teamsters and Trucking Industry Pension Fund [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer plan contributions | 541 | 427 | 367
IAM National Pension Fund, National Pension Plan [Member] |  |  |
Multiemployer Plans [Line Items] |  |  |
Multiemployer plan contributions | $ 659 | $ 623 | $ 584

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- Definition Amount of contributions made to multiemployer plans by the employer. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450702-114947 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 9 -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450691-114947 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -Section 50 -Paragraph 5 -Subparagraph (e)(1) -URI http://asc.fasb.org/extlink&oid=35742057&loc=SL14450657-114947 + Details
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- Details
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