Commitments and Contingencies (Changes in the Warranty Liability) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				6 Months Ended
	May 31, 2014		May 31, 2013		May 31, 2014		May 31, 2013		Feb. 28, 2014	Nov. 30, 2013	Feb. 28, 2013	Nov. 30, 2012
Loss Contingencies [Line Items]
Self Insurance Reserve	$ 90,458		$ 90,630		$ 90,458		$ 90,630		$ 90,416	$ 92,214	$ 91,723	$ 93,349
Expenses Associated with Self Insurance	3,037	[1]	1,598	[1]	5,653	[1]	3,407	[1]
Payments, Net of Recoveries for Self Insurance	(2,995)	[2]	(2,691)	[2]	(7,409)	[2]	(6,126)	[2]
Changes in the Warranty Liability
Balance at beginning of period	43,419		43,333		48,704		47,822
Warranties issued	4,360		3,553		7,786		6,319
Payments	(11,451)		(9,284)		(20,162)		(18,213)
Adjustments	4,609	[3]	15,873	[3]	4,609	[3]	17,547	[3]
Balance at end of period	40,937		53,475		40,937		53,475
Water Intrusion [Member]
Changes in the Warranty Liability
Payments	(8,100)		(6,000)		(14,100)		(11,400)
Adjustments					$ 6,000

[1] These expenses are included in selling, general and administrative expenses and are largely offset by contributions from subcontractors participating in the wrap-up policy.

[2] Recoveries are reflected at the time we receive funds from subcontractors and/or their insurers.

[3] As discussed below, adjustments for the three months and six months ended May 31, 2014 were comprised of a reclassification of estimated minimum probable recoveries to receivables and a reclassification to establish a separate accrual for a water intrusion-related inquiry. These items had no impact on our consolidated statements of operations. Adjustments for the three months and six months ended May 31, 2013 reflected net warranty charges associated with water intrusion-related issues in central and southwest Florida.