Note 10 Pension Plans (Narratives) (Details) (USD $)	3 Months Ended
Dec. 31, 2012 N
Pension and Other Postretirement Benefits Disclosure [Abstract]
Number of Defined Benefit Plans	3
Defined Benefit Plan, Measurement Date	March 31
Defined Benefit Plan, Estimated Future Employer Contributions in Current Fiscal Year	$ 917,000

The date(s) used to measure (at least the majority of) plan assets and benefit obligations for defined benefit pension and other postretirement benefit plans. Disclosure required by FAS 132R paragraph 5k prior to being amended by FAS 158.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph k

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Name:	us-gaap_DefinedBenefitPlanMeasurementDate
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration