Fair Value Of Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2011

Fair Value Of Financial Instruments [Abstract]

Amortized Cost And Fair Value Of Marketable Securities

	December 31, 2011				December 31, 2010
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Debt securities - maturity less than 1 year	$	61,200	$	61,134	$	469,318	$	469,956
Debt securities - maturity 1 to 5 years		20,365		20,244		120,078		121,406
Total	$	81,565	$	81,378	$	589,396	$	591,362

Amortized Cost And Estimated Fair Value Of Marketable Securities

	December 31, 2011				December 31, 2010
	Amortized Cost		Estimated Fair Value		Amortized Cost		Estimated Fair Value
Equity securities	$	169,565	$	160,021	$	103,189	$	105,304
Debt securities		276,053		278,544		271,260		274,029
Total	$	445,618	$	438,565	$	374,449	$	379,333

Fair Value Impairment Of Inventory

	Land and Land Under Development		Housing Completed or Under Construction		Total Fair Value of Impaired Inventory
West	$	444	$	1,790	$	2,234
Mountain		248		-		248
East		-		-		-
Other Homebuilding		-		-		-
Total	$	692	$	1,790	$	2,482

Estimated Fair Value Of Senior Notes

	December 31, 2011				December 31, 2010
	Recorded Amount		Estimated Fair Value		Recorded Amount		Estimated Fair Value
7% Senior Notes due 2012	$	-	$	-	$	149,650	$	160,493
5 1/2% Senior Notes due 2013		-		-		349,748		362,198
5 3/8% Medium Term Senior Notes due 2014		249,438		254,667		249,266		255,683
5 3/8% Medium Term Senior Notes due 2015		249,857		252,083		249,821		251,450
5 5/8% Medium-Term Senior Notes due 2020		244,813		227,467		244,330		244,400
Total	$	744,108	$	734,217	$	1,242,815	$	1,274,224