XML 15 R46.htm IDEA: XBRL DOCUMENT v2.4.0.8
Note 11 - Components of Net Periodic Benefit Cost (Details) (USD $)
In Millions, unless otherwise specified
1 Months Ended 6 Months Ended
Jun. 30, 2013
acre
Nov. 30, 2012
acre
Apr. 30, 2011
acre
Jun. 30, 2014
acre
Oct. 31, 2011
Dec. 31, 2009
Compensation and Retirement Disclosure [Abstract]            
Defined Benefit Plan Security to Support Unfunded Liabilities           $ 5.2
Area of Real Estate Property Pledged as Security (in Acres)   7,000 1,400      
Defined Benefit Plan, Period for Release of Real Estate Property Pledged as Security   5 years 5 years      
Defined Benefit Plan, Additional Security to Support Unfunded Liabilities         18.7  
Defined Benefit Plan Number of Pension Plans Provided Security         2  
Area of Real Estate Property Proposed to be Sold (in Acres) 270          
Defined Benefit Pension Plan, Liabilities, Noncurrent       20.6    
Area of Real Estate Property Held as Collateral for Unfunded Pension Obligations (in Acres)       7,000    
Defined Benefit Plans, Estimated Future Employer Contributions in Current Fiscal Year       2.8    
Defined Benefit Plan, Contributions by Employer       $ 0.5