Note 17 Income Taxes (Income Taxes Provision Breakdown) (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2012
Current Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current Federal Tax Expense (Benefit)	$ 4,804	$ 1,795	$ 3,080
Current State and Local Tax Expense (Benefit)	73	278	467
Current Foreign Tax Expense (Benefit)	3,087	2,466	4,992
Current Income Tax Expense (Benefit)	7,964	4,539	8,539
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Deferred Federal Income Tax Expense (Benefit)	183	1,734	772
Deferred State and Local Income Tax Expense (Benefit)	86	(102)	326
Deferred Foreign Income Tax Expense (Benefit)	(820)	863	598
Deferred Income Tax Expense (Benefit)	(551)	2,495	1,696
Total Income Tax Provision	$ 7,413	$ 7,034	$ 10,235