This element represents the portion of amount held back from the net proceeds of existing mortgage.

No definition available.

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- Definition

Represents the net gain (loss) anticipated over the terms of agreements during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

+ References

No definition available.

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- Definition

Represents the amortization period of the debt instrument.

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No definition available.

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- Definition

This element represents the amount use to refinance the existing mortgage.

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- Definition

Represents the minimum percentage of difference required between the present value of the future payments under the existing loan and the modified loan to account for such differences as debt extinguishment.

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No definition available.

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- Definition

Represents the number of interest rate derivatives containing credit risk related contingent features.

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No definition available.

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Number of mortgages refinanced with Farm Bureau

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- Definition

Represents the number of multi-story office buildings used as collateral for the loan.

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No definition available.

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- Definition

Number of subsidiaries.

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Represents number of subsidiaries.

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- Definition

The number of years before loans may be voluntarily prepaid.

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No definition available.

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- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

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-Name Regulation S-X (SX)

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-Article 12

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Area of a real estate property.

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No definition available.

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- Definition

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

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No definition available.

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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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No definition available.

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- Definition

Face (par) amount of debt instrument at time of issuance.

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Contractual interest rate for funds borrowed, under the debt agreement.

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Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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No definition available.

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Fixed interest rate related to the interest rate derivative.

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No definition available.

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The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy.

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The net gain (loss) recognized in earnings during the reporting period representing the amount of the cash flow hedges' ineffectiveness.

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Difference between the fair value of payments made and the carrying amount of debt which is extinguished prior to maturity.

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Fair value as of the balance sheet date of all interest rate derivative assets designated as cash flow hedging instruments.

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Fair value as of the balance sheet date of all interest rate derivatives designated as cash flow hedging instruments.

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The estimated net amount of unrealized gains or losses on interest rate cash flow hedges as of the balance sheet date expected to be reclassified to earnings within the next twelve months.

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Fair value as of the balance sheet date of all interest rate derivative liabilities designated as cash flow hedging instruments.

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- Definition

Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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Amount of long-term debt payable, sinking fund requirements, and other securities issued that are redeemable by holder at fixed or determinable prices and dates maturing in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

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The carrying amount of the outstanding balance due under the mortgage loan.

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Amount before tax, after reclassification adjustments, of increase (decrease) in accumulated gain (loss) from derivative instruments designated and qualifying as the effective portion of cash flow hedges and an entity's share of an equity investee's increase (decrease) in deferred hedging gain (loss), attributable to parent entity.

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The cash outflow for cost incurred in the modification of term of existing debt agreement in order for the entity to achieve some advantage.

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The carrying amount, as of the date of the latest financial statement presented, of real estate owned but transferred to serve as collateral for the payment of the related debt obligation, primarily a secured borrowing or repurchase agreement, and for which the transferee is not permitted to sell or re-pledge them to an unrelated party.

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Amount of cash inflow (outflow) from long-term debt wholly or partially secured by collateral. Excludes tax exempt secured debt.

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

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Mortgage Loan (Details ) (USD $) In Thousands, unless otherwise specified	12 Months Ended			0 Months Ended
	Nov. 30, 2014 sqft	Nov. 30, 2013	Dec. 01, 2012	Jun. 06, 2014	Apr. 01, 2013	Aug. 28, 2013	Sep. 30, 2012	Apr. 24, 2013	Dec. 31, 2014	Jun. 05, 2014	Jun. 16, 2012 item
Long-Term Debt
Total nonrecourse mortgage loans	$ 70,168	$ 66,708
Debt disclosures
Area of collateralized properties (in square feet)	280,000us-gaap_AreaOfRealEstateProperty
Ineffectiveness on cash flow hedges	0
Anticipated ineffectiveness on cash flow hedges	0
Net fair values of interest rate swap agreements included in other noncurrent assets and liabilities	2,322	2,222
Net fair values of interest rate swap agreements included in other noncurrent assets	8	63
Net fair values of interest rate swap agreements included in other noncurrent liabilities	2,330	2,285
Loss on debt extinguishment	(51)	(286)
Amount held in escrow	1,000us-gaap_EscrowDeposit
Interest rate swap agreement
Debt disclosures
Number of agreements containing credit risk related contingent features	0
Recognized net gains (losses) (included in other comprehensive loss), before taxes, on interest rate swap agreements	100	(969)	776
Loss expected to be reclassified over next twelve months from accumulated other comprehensive loss to interest expense	961
Nonrecourse mortgages
Long-Term Debt
Total nonrecourse mortgage loans	70,168	66,708
Annual principal payment requirements under the terms of the nonrecourse mortgage loans
2014	19,828
2015	1,725
2016	7,663
2017	1,720
2018	17,719
Debt disclosures
Aggregate book value of land and buildings pledged as collateral	70,226
Nonrecourse mortgages: 6.30%, due May 1, 2014
Long-Term Debt
Interest rate (as a percent)		6.30%	6.30%
Total nonrecourse mortgage loans		99
Nonrecourse mortgages: 5.73%, due August 1, 2015
Long-Term Debt
Interest rate (as a percent)		5.73%	5.73%
Total nonrecourse mortgage loans	18,189	18,615
Nonrecourse mortgages: 8.13%, due April 1, 2016
Long-Term Debt
Interest rate (as a percent)		8.13%	8.13%
Total nonrecourse mortgage loans		3,603
Nonrecourse mortgages: 8.13%, due April 1, 2016 \| Griffin Center Development ILLC [Member]
Long-Term Debt
Interest rate (as a percent)				5.09%						8.13%
Total nonrecourse mortgage loans				7,868						3,391
Debt disclosures
Term of debt				15 years
Amortization period of debt				15 years
Nonrecourse mortgages: 7.0%, due October 1, 2017
Long-Term Debt
Interest rate (as a percent)		7.00%	7.00%
Total nonrecourse mortgage loans		5,779
Nonrecourse variable rate loans, due October 2, 2017 \| Tradeport Development ILLC [Member]
Long-Term Debt
Interest rate (as a percent)				5.09%						7.00%
Total nonrecourse mortgage loans				6,632						5,632
Debt disclosures
Term of debt				15 years
Amortization period of debt				15 years
Amount held in escrow				1,000
Nonrecourse variable rate loans, due October 2, 2017 \| Tradeport Development ILLC [Member] \| Windsor Connecticut First Industrial Building
Debt disclosures
Area of collateralized properties (in square feet)				100,000
Nonrecourse variable rate loans, due October 2, 2017 \| Tradeport Development ILLC [Member] \| Windsor Connecticut Second Industrial Building
Debt disclosures
Area of collateralized properties (in square feet)				57,000
Nonrecourse variable rate loans, due October 2, 2017
Long-Term Debt
Total nonrecourse mortgage loans	6,394	6,563
Debt disclosures
Amortization period of debt	25 years
Variable interest rate base	one month LIBOR
Variable interest rate margin (as a percent)	2.75%
Number of subsidiaries											2
Number of collateralized industrial buildings	2
Nonrecourse variable rate loans, due October 2, 2017 \| Interest rate swap agreement
Debt disclosures
Fixed interest rate pursuant to interest rate swap agreement (as a percent)	3.86%
Nonrecourse variable rate loans, due February 1, 2019
Long-Term Debt
Total nonrecourse mortgage loans	10,888	11,150
Nonrecourse variable rate loans, due August 1, 2019
Long-Term Debt
Total nonrecourse mortgage loans	7,691	7,869
Nonrecourse Variable rate loans, due January 27, 2020
Long-Term Debt
Total nonrecourse mortgage loans	3,848	3,961
Debt disclosures
Variable interest rate base					one month LIBOR
Variable interest rate margin (as a percent)					2.50%
Fixed interest rate pursuant to interest rate swap agreement (as a percent)					3.91%
Amount paid for the loan modification					70
Minimum percentage of difference required between the present values of the future payments under the existing loan and the modified loan					10.00%
Deferred costs related to the existing loan with First Niagara Bank					216
Nonrecourse Variable rate loans, due September 1, 2023
Long-Term Debt
Total nonrecourse mortgage loans	8,875	9,069
Debt disclosures
Borrowings by subsidiary						9,100
Term of debt						10 years
Amortization period of debt						25 years
Variable interest rate base						one
Variable interest rate margin (as a percent)						1.95%
Nonrecourse Variable rate loans, due September 1, 2023 \| Industrial building in Lower Nazareth, Pennsylvania
Debt disclosures
Area of collateralized properties (in square feet)				165,000		228,000
Nonrecourse mortgages: 5.25%, due January 27, 2020
Debt disclosures
Variable interest rate margin (as a percent)					5.25%
Nonrecourse mortgages: 6.08%, due January 1, 2013
Debt disclosures
Variable interest rate margin (as a percent)							6.08%
5.09%, due July 1, 2029 GCD Mortgage Loan member
Long-Term Debt
Total nonrecourse mortgage loans	7,750
5.09%, due July 1, 2029 TD mortgage loan member
Long-Term Debt
Interest rate (as a percent)	5.09%
Total nonrecourse mortgage loans	6,533
8.13% mortgage due April 1, 2016 and 7.0% mortgage due October 2, 2017
Debt disclosures
Number of mortgages refinanced with Farm Bureau	2
Loss on debt extinguishment	51
8.13% mortgage due April 1, 2016 and 7.0% mortgage due October 2, 2017 \| Tradeport Development ILLC [Member]
Debt disclosures
Number of years before any prepayments can be made				7 years
Webster Credit Line
Debt disclosures
Aggregate book value of land and buildings pledged as collateral	10,097
Variable interest rate base	2.75%							one month LIBOR
Maximum borrowing capacity								12,500
Webster Credit Line \| Griffin Center South, Bloomfield, CT
Debt disclosures
Area of collateralized properties (in square feet)								235,000
Webster Credit Line \| Single-story office building in Griffin Center
Debt disclosures
Area of collateralized properties (in square feet)								48,000
2023 First Niagara Mortgage \| Subsequent events
Debt disclosures
Debt, Refinanced, Amount									8,875
2023 First Niagara Mortgage \| Interest rate swap agreement
Debt disclosures
Fixed interest rate pursuant to interest rate swap agreement (as a percent)						4.79%
2023 First Niagara Mortgage \| Interest rate swap agreement \| Cash flow hedges
Debt disclosures
Notional principal amount of interest rate swap agreement						9,100
2025 First Niagara Mortgage \| Subsequent events
Long-Term Debt
Total nonrecourse mortgage loans									21,600
Debt disclosures
Term of debt									10 years
Variable interest rate margin (as a percent)									1.95%
Maximum borrowing capacity									21,600
Net proceeds									10,875
Amount held back from net proceeds									$ 1,850
Number of subsidiaries which are refinancing norerecourse mortgage loan									2
2025 First Niagara Mortgage \| Lower Nazareth, Pennsylvania \| Location 1 \| Subsequent events
Debt disclosures
Area of collateralized properties (in square feet)									228,000
2025 First Niagara Mortgage \| Lower Nazareth, Pennsylvania \| Location 2 \| Subsequent events
Debt disclosures
Area of collateralized properties (in square feet)									303,000
2025 First Niagara Mortgage \| Interest rate swap agreement \| Subsequent events
Debt disclosures
Fixed interest rate pursuant to interest rate swap agreement (as a percent)									4.43%