Note 18 - Commitments and Contingencies (Details Textual) - USD ($) $ in Millions		3 Months Ended	9 Months Ended
	Sep. 30, 2004	Mar. 27, 2016	Mar. 27, 2016
Assets Purchased for Construction of Plastic Bottle Processing Plant [Member] | Polyester [Member]
Purchase Obligation		$ 7.3	$ 7.3
Construction of Assets for Use in Conversion of Third Party Product [Member]
Purchase Obligation		6.3	6.3
Waste Removal Services [Member]
Purchase Obligation		$ 2.6	2.6
Long-term Purchase Commitment, Period		3 years
Expansion of Recycling Center [Member]
Purchase Obligation		$ 4.1	$ 4.1
The Term of a Former Ground Lease	99 years
Number of Years of Monitoring and Reporting Costs of an Individual Site			7 years