Note 4 - Components of Assets and Liabilities of Variable Interest Entities (Details)	Feb. 29, 2016 USD ($)
Sentilus [Member]
Cash and Cash Equivalents, at Carrying Value	$ 1,000
Total current assets	1,000
Property and equipment, net	547
Deferred Income Tax-LT	7,148
Goodwill	105
Other intangible assets, net	18,822
Non-current Assets	19,474
Total noncurrent assets	14,458
Total Assets	20,474
Total Assets	14,458
Cash and Cash Equivalents, at Carrying Value	12,190,000
Total current assets	135,842,000
Property and equipment, net	72,788,000
Deferred Income Tax-LT	219,351,000
Goodwill	840,841,000
Non-current Assets	72,788,000
Total Assets	1,696,680,000
Total Assets	$ 1,340,058,000