Note 12 Accumulated Other Comprehensive Income (Loss) (AOCI Change) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2014	Jun. 30, 2013	Mar. 31, 2014	Mar. 31, 2013
Changes in Accumulated Other Comprehensive Income (Loss) by Components [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ 4,442		$ 5,029
Foreign Currency [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Components [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	10,255	4,338	10,535	2,982
Other Comprehensive Income (Loss) before Reclassifications	(280)	1,356
Net Current Period Other Comprehensive Income (Loss)	(280)	1,356
Unrealized (Gains) Losses on Securities [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Components [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	18	(283)	325	60
Other Comprehensive Income (Loss) before Reclassifications	(288)	(285)
Net Losses (Gains) Reclassified from Accumulated Other Comprehensive Income (Loss)	(19)	(58)
Net Current Period Other Comprehensive Income (Loss)	(307)	(343)
Defined Benefit Pension Plans [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Components [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(5,831)	(6,135)	(5,831)	(6,135)
Accumulated Other Comprehensive Income (Loss) [Member]
Changes in Accumulated Other Comprehensive Income (Loss) by Components [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	4,442	(2,080)	5,029	(3,093)
Other Comprehensive Income (Loss) before Reclassifications	(568)	1,071
Net Losses (Gains) Reclassified from Accumulated Other Comprehensive Income (Loss)	(19)	(58)
Net Current Period Other Comprehensive Income (Loss)	$ (587)	$ 1,013