Note 13 Accumulated Other Comprehensive (Loss) (AOCI Change) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Jun. 30, 2013		Mar. 31, 2013
Changes in Accumulated Other Comprehensive Income by Component [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	$ (2,080)		$ (3,093)
Accumulated Other Comprehensive Income (Loss), Available-for-sale Securities, Tax	(152)		31
Accumulated Other Comprehensive Income (Loss), Pension, Tax	(1,941)
Foreign Currency [Member]
Changes in Accumulated Other Comprehensive Income by Component [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	4,338		2,982
Other Comprehensive Income (Loss) before Reclassifications	1,356
Net Current Period Other Comprehensive Income (Loss)	1,356
Unrealized (Gains) Losses on Securities [Member]
Changes in Accumulated Other Comprehensive Income by Component [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(283)	[1]	60	[1]
Other Comprehensive Income (Loss) before Reclassifications	(286)
Net Losses (Gains) Reclassification from Accumulated Other Comprehensive Income	(57)
Net Current Period Other Comprehensive Income (Loss)	(343)
Defined Benefit Pension Plans [Member]
Changes in Accumulated Other Comprehensive Income by Component [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(6,135)	[2]	(6,135)	[2]
Accumulated Other Comprehensive Income (Loss) [Member]
Changes in Accumulated Other Comprehensive Income by Component [Line Items]
Accumulated Other Comprehensive Income (Loss), Net of Tax	(2,080)		(3,093)
Other Comprehensive Income (Loss) before Reclassifications	1,070
Net Losses (Gains) Reclassification from Accumulated Other Comprehensive Income	(57)
Net Current Period Other Comprehensive Income (Loss)	$ 1,013

[1] Net of Taxes of $(152) at June 30, 2013, and $31 at March 31, 2013.

[2] Net of Taxes of $(1,941).