Note 18 - Commitments and Contingencies (Details Textual) - USD ($) $ in Thousands		6 Months Ended
	Sep. 30, 2004	Dec. 27, 2015
Assets Purchased for Construction of Plastic Bottle Processing Plant [Member] | Polyester [Member]
Purchase Obligation		$ 7,150
Assets Purchased for Construction of Third-Party Products [Member]
Purchase Obligation		$ 6,600
The Term of a Former Ground Lease	99 years
Number of Years of Monitoring and Reporting Costs of an Individual Site		7 years