The percentage points added to the reference rate to compute the variable rate on the debt instrument.

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The reference rate for the variable rate of the debt instrument, such as LIBOR or the US Treasury rate and the maturity of the reference rate used, such as three months or six months LIBOR.

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The effective interest rate at the end of the reporting period.

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Description of any adjustments made to the stated rate to determine the effective rate.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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- Definition

The increase (decrease) during the reporting period in the value of expenditures made during the current reporting period for benefits that will be received over a period of years. Deferred charges differ from prepaid expenses in that they usually extend over a long period of time and may or may not be regularly recurring costs of operation.

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Reflects when the credit facility terminates, which may be presented in a variety of ways (year, month and year, day, month and year, quarter).

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-Subparagraph (SX 210.5-02.19(b),22(b))

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Description of the interest rate for the amounts borrowed under the credit facility, including the terms and the method for determining the interest rate (for example, fixed or variable, LIBOR plus a percentage, increasing rate, timing of interest rate resets, remarketing provisions).

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- Definition

The cash outflow for loan and debt issuance costs.

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The cash inflow from a borrowing with the highest claim on the assets of the entity in case of bankruptcy or liquidation (with maturities initially due after one year or beyond the operating cycle, if longer).

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Write-off of amounts previously capitalized as debt issuance cost in an extinguishment of debt.

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Amended credit facility additional revolving commitment.

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- Definition

Debt instrument basis spread on adjusted eurodollar rate.

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Debt instrument basis spread on federal funds effective rate.

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Debt instrument description of Eurodollar rate basis.

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Debt retirement expense recognized in continuing operations.

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Fixed charge coverage ratio.

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Fixed charge coverage ratio required.

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Long term debt maturities quarterly repayments of principal in last three quarters.

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Long term debt maturities quarterly repayments of principal in year one and two.

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Long term debt maturities quarterly repayments of principal in year three and four.

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Long term obligations.

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Long-Term Obligations (Details Textuals) (USD $)	9 Months Ended			9 Months Ended				9 Months Ended
Long-Term Obligations (Details Textuals) (USD $)	Sep. 30, 2011	Sep. 30, 2010	Aug. 16, 2011	Sep. 30, 2011 Line of Credit [Member]	Sep. 30, 2011 Senior term notes at LIBOR + 1.75% (1.99% at September 30, 2011) [Member]	Sep. 30, 2011 Senior term notes at LIBOR + 2.25% (2.51% at December 31, 2010) [Member]	Dec. 31, 2010 Senior term notes at LIBOR + 2.25% (2.51% at December 31, 2010) [Member]	Sep. 30, 2011 Senior Notes [Member]
Debt Instrument [Line Items]
Deferred financing costs				$ 2,000,000
Interest rate of Senior term notes					LIBOR plus 1.75%	LIBOR plus 2.25%
Debt retirement costs	2,944,000	9,112,000		2,900,000
Income from continuing operations				865,000
Deferred financing costs associated with lenders				1,100,000
Interest rate of Senior term notes				1.75%	1.75%	2.25%
Senior term notes interest rates, period end					1.99%		2.51%
Senior Term Notes description of variable interest rate basis	LIBOR			Base rate or adjusted Eurodollar rate				The base rate for the senior term notes is a rate per annum equal to the greatest of Wells Fargo's prime rate in effect on such day, the Federal funds effective rate in effect on such day plus 0.5% and the adjusted Eurodollar rate for a one-month interest period commencing on such day plus 1.0%
Senior notes Description of Euro Dollar rate basis								The adjusted Eurodollar rate is defined as the rate per annum obtained by dividing (1) the rate of interest offered to Wells Fargo on the London interbank market by (2) a percentage equal to 100% minus the stated maximum rate of all reserve requirements applicable to any member bank of the Federal Reserve System in respect of "Eurocurrency liabilities."
Basis spread on federal funds effective rate								0.50%
Basis spread on adjusted eurodollar rate								1.00%
Long-Term Obligations (Textuals) [Abstract]
Senior term notes	100,000,000
Aggregate principal amount of revolving commitments			25,000,000
Long term revolving credit facility interest rate	the base rate or the adjusted Eurodollar rate plus a margin of 1.75%
Principal payment for senior term notes	7,300,000
Principal payment for senior term notes quarterly payments	10,900,000
Principal payment for senior term notes quarterly payments prior to maturity	$ 14,500,000
Fixed charge coverage ratio	175.00%
Fixed charge coverage ratio required	120.00%
Revolving credit facility maturity date	2016-08-19