2.2.0.25falsefalse009080 - Disclosure - Stock-Based Compensation (Details)truefalseIn Thousandsfalse1falsefalseUSDfalsefalse10/1/2010 - 12/31/2010 USD ($) USD ($) / shares $c00043http://www.sec.gov/CIK0000038074duration2010-10-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u003Standardhttp://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2falsefalseUSDfalsefalse10/1/2009 - 12/31/2009 USD ($) USD ($) / shares $c00048http://www.sec.gov/CIK0000038074duration2009-10-01T00:00:002009-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0u003Standardhttp://www.xbrl.org/2003/instancesharesxbrli0USDUSD$3falsefalseUSDfalsefalse4/1/2010 - 12/31/2010 USD ($) USD ($) / shares $c00035http://www.sec.gov/CIK0000038074duration2010-04-01T00:00:002010-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u003Standardhttp://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0USDUSD$4falsefalseUSDfalsefalse4/1/2009 - 12/31/2009 USD ($) USD ($) / shares $c00053http://www.sec.gov/CIK0000038074duration2009-04-01T00:00:002009-12-31T00:00:00u000Standardhttp://www.xbrl.org/2003/iso4217USDiso42170u002Dividehttp://www.xbrl.org/2003/iso4217USDiso4217http://www.xbrl.org/2003/instancesharesxbrli0u003Standardhttp://www.xbrl.org/2003/instancesharesxbrli0u001Standardhttp://www.xbrl.org/2003/instancepurexbrli0USDUSD$2true0frx_ScheduleToFinancialStatementsAbstractfrxfalsenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:stringItemTypestringNo definition available.falsefalseSchedule to Financial Statements [Abstract]3false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAuthorizedus-gaaptruenainstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse2895000028950falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse2895000028950falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesThe maximum number of shares originally approved (usually by shareholders and board of directors), net of any subsequent amendments and adjustments, for awards under the share-based compensation plan. As stock options and equity instruments other than options are awarded to participants, the shares remain authorized and become reserved for issuance under outstanding awards (not necessarily vested).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a falsefalseShares authorized to be issued to employees under 2007 Plan (in shares)4false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriodus-gaaptruenadurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00three to five yearsthree to five yearsfalsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseOtherus-types:durationStringItemTypenormalizedstringDescription of the period of time over which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, which may be expressed in a variety of ways (for example, in years, month and year).Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 123R -Paragraph A240 -Subparagraph a falsefalseVesting period for shares issued under 2007 Plan5false0frx_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardOptionsExercisePeriodfrxfalsenadurationDescription of the period of time over which an employee can exercise a grant of stock options, which may be expressed in a...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1falsefalsefalse00falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3falsefalsefalse00up to ten yearsup to ten yearsfalsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseOtherxbrli:normalizedStringItemTypenormalizedstringDescription of the period of time over which an employee can exercise a grant of stock options, which may be expressed in a variety of ways (for example, in years, month and year).No authoritative reference available.falsefalseExercise period from date of issuance for stock option grants6false0us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrantus-gaaptruenainstantNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalse1truefalsefalse1404600014046falsefalsefalsefalsefalse2falsefalsefalse00falsefalsefalsefalsefalse3truefalsefalse1404600014046falsefalsefalsefalsefalse4falsefalsefalse00falsefalsefalsefalsefalseSharesxbrli:sharesItemTypesharesThe difference between the maximum number of shares authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares already issued upon exercise of options or other share-based awards under the plan, and 2) shares reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.No authoritative reference available.falsefalseShares available for grant (in shares)7false0us-gaap_ShareBasedCompensationus-gaaptruedebitdurationNo definition available.falsefalsefalsefalsefalsefalsefalsefalsefalsefalseverboselabel1truefalsefalse1282900012829falsetruefalsefalsefalse2truefalsefalse1189500011895falsetruefalsefalsefalse3truefalsefalse3812100038121falsetruefalsefalsefalse4truefalsefalse3417700034177falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryThe aggregate amount of noncash, equity-based employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method.Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 28 falsefalseCompensation expense8false0frx_AllocatedShareBasedCompensationExpenseNetOfTaxfrxfalsedebitdurationRepresents the expense recognized during the period, net of tax, arising from share-based compensation arrangements (for...falsefalsefalsefalsefalsefalsefalsefalsefalsefalseterselabel1truefalsefalse96090009609falsetruefalsefalsefalse2truefalsefalse95510009551falsetruefalsefalsefalse3truefalsefalse2925700029257falsetruefalsefalsefalse4truefalsefalse2774300027743falsetruefalsefalsefalseMonetaryxbrli:monetaryItemTypemonetaryRepresents the expense recognized during the period, net of tax, arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.No authoritative reference available.falsefalseCompensation expense, net of tax47Stock-Based Compensation (Details) (USD $)ThousandsThousandsUnKnownUnKnownfalsetrue