2.2.0.25falsefalse4050 - Disclosure - Other Assets and Notes Receivable (Details)truefalseIn Thousandsfalse1falsefalseUSDfalsefalse3/31/2011 USD ($) $AS_OF_Mar31_2011http://www.sec.gov/CIK0001333141instant2011-03-31T00:00:000001-01-01T00:00:00SharesStandardhttp://www.xbrl.org/2003/instancesharesxbrli0USDStandardhttp://www.xbrl.org/2003/iso4217USDiso42170USDUSD$2true0fms_NotesReceivableDetailsAbstractfmsfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseNotes Receivable (Details) [Abstract]3false0us-gaap_NotesAndLoansReceivableNetNoncurrentus-gaaptruedebitinstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse294000000294000falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryAn amount representing an agreement for an unconditional promise by the maker to pay the Entity (holder) a definite sum of money at a future date more than one year from the balance sheet date, net of any write-downs taken for collection uncertainty on the part of the holder. Such amount may include accrued interest receivable in accordance with the terms of the debt. The debt also may contain provisions and related items including a discount or premium, payable on demand, secured, or unsecured, interest bearing or noninterest bearing, among myriad other features and characteristics.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 17 -Article 5 falsefalseLong-term notes receivable12Other Assets and Notes Receivable (Details) (USD $)ThousandsUnKnownUnKnownUnKnownfalsetrue