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Fair Value Disclosures
3 Months Ended
Feb. 28, 2015
Fair Value Disclosures [Abstract]  
Fair Value Disclosures
Fair Value Disclosures
The fair values of assets and liabilities are categorized based on the following hierarchy:
Level 1
 
Fair value determined based on quoted prices in active markets for identical assets or liabilities.
 
 
Level 2
 
Fair value determined using significant observable inputs, such as quoted prices for similar assets or liabilities or quoted prices for identical or similar assets or liabilities in markets that are not active, inputs other than quoted prices that are observable for the asset or liability, or inputs that are derived principally from or corroborated by observable market data, by correlation or other means.
 
 
Level 3
 
Fair value determined using significant unobservable inputs, such as pricing models, discounted cash flows, or similar techniques.

Fair value measurements are used for inventories on a nonrecurring basis when events and circumstances indicate that their carrying value is not recoverable. The following table presents the fair value hierarchy and our assets measured at fair value on a nonrecurring basis for the three months ended February 28, 2015 and the year ended November 30, 2014 (in thousands): 
Description
 
Fair Value Hierarchy
 
February 28,
2015
 
November 30,
2014
Inventories (a)
 
Level 2
 
$

 
$
6,421

Inventories (a)
 
Level 3
 

 
24,174

(a)
Amounts represent the aggregate fair value for real estate assets impacted by inventory impairment charges during the period, as of the date that the fair value measurements were made. The carrying value for these real estate assets may have subsequently increased or decreased from the fair value reflected due to activity that has occurred since the measurement date.
Inventories with a carrying value of $68.2 million were written down to their fair value of $30.6 million during the year ended November 30, 2014, resulting in inventory impairment charges of $37.6 million.
The fair values for inventories that were determined using Level 2 inputs were based on an executed contract. The fair values for inventories that were determined using Level 3 inputs were primarily based on the estimated future net cash flows discounted for inherent risk associated with each underlying asset. Additionally, the fair values for inventories determined using Level 3 inputs that involved a planned future land sale were estimated based on a broker quote.
Our financial instruments consist of cash and cash equivalents, restricted cash, senior notes, the 1.375% Convertible Senior Notes due 2019, and mortgages and land contracts due to land sellers and other loans. Fair value measurements of financial instruments are determined by various market data and other valuation techniques as appropriate. When available, we use quoted market prices in active markets to determine fair value.
The following table presents the fair value hierarchy, carrying values and estimated fair values of our financial instruments, except those for which the carrying values approximate fair values (in thousands):
 
 
 
February 28, 2015
 
November 30, 2014
 
Fair Value
Hierarchy
 
Carrying
Value
 
Estimated
Fair Value
 
Carrying
Value
 
Estimated
Fair Value
Financial Liabilities:
 
 
 
 
 
 
 
 
 
Senior notes
Level 2
 
$
2,558,642

 
$
2,634,330

 
$
2,308,275

 
$
2,468,852

Convertible senior notes
Level 2
 
230,000

 
216,200

 
230,000

 
229,713


The fair values of our senior notes and the 1.375% Convertible Senior Notes due 2019 are generally estimated based on quoted market prices for these instruments. The carrying values reported for cash and cash equivalents, restricted cash, and mortgages and land contracts due to land sellers and other loans approximate fair values.