Note 17 - Operating Segments (Details Textual) $ in Thousands	Sep. 02, 2017 USD ($)
Royal Adhesives [Member]
Business Acquisition, Transaction Costs	$ 4,751

Amount of direct costs of the business combination including legal, accounting, and other costs incurred to consummate the business acquisition.

No definition available.

Name:	us-gaap_BusinessAcquisitionCostOfAcquiredEntityTransactionCosts
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant