Note 2 - Assets and Liabilities Held-for-sale - Assets and Liabilities Held-for-sale (Details) - WMS Inliner [Member] $ in Thousands	Dec. 31, 2021 USD ($)
Cash and cash equivalents	$ 16,496
Receivables, net	102,208
Contract assets	41,340
Inventories	19,625
Other current assets	1,781
Property and equipment, net	70,912
Investments in affiliates	48,675
Goodwill	63,063
Right of use assets	12,365
Other noncurrent assets	16,176
Total assets classified as held for sale	392,641
Accounts payable	37,997
Contract liabilities	7,129
Other current liabilities	27,764
Long-term lease liabilities	8,352
Other long-term liabilities	2,166
Total liabilities classified as held for sale	$ 83,408