Note 4 Other Assets (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012		Mar. 31, 2012
Other Assets Noncurrent Disclosure [Abstract]
Marketable Equity Securities	$ 4,799	[1],[2]	$ 1,064	[1],[2]
Auction Rate Preferred Securities	350	[1],[2]	350	[1],[2]
Long Term Equity Investments	5,038		5,340
Other Items	844		1,155
Other Assets, Total	$ 11,031		$ 7,909

[1] We did not have any recurring assets whose fair value was measured using significant unobservable inputs.

[2] Included in "Other assets" on our unaudited condensed consolidated balance sheets.