Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	12 Months Ended
Jan. 31, 2012	Jan. 31, 2011	Jan. 31, 2010
Consolidated Statements of Comprehensive Income (Loss) [Abstract]
Net earnings (loss)	$ (568)	$ 85,398	$ (20,368)
Other comprehensive income (loss), net of tax:
Unrealized net gains (losses) on investment securities	25	(18)	(187)
Foreign currency translation adjustments	(26)	(30)	474
Unrealized net gains (losses) on interest rate derivative contracts	(24,980)	(7,178)	20,291
Total other comprehensive income (loss), net of tax	(24,981)	(7,226)	20,578
Comprehensive income (loss)	(25,549)	78,172	210
Comprehensive income attributable to noncontrolling interest	(86,968)	(27,287)	(6,933)
Total comprehensive income (loss) attributable to Forest City Enterprises, Inc.	$ (112,517)	$ 50,885	$ (6,723)

The change in equity [net assets] of a business enterprise during a period from transactions and other events and circumstances from non-owner sources which are attributable to the reporting entity. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, but excludes any and all transactions which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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