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Note 11 - Noncontrolling Interests (Detail) - Change In The Redemption Value Of The Redeemable Noncontrolling Interests (USD $) In Thousands	6 Months Ended
	Jun. 30, 2011	Jun. 30, 2010
Unit redemptions	$ 3,161	$ 3,244
Noncontrolling Interest [Member]
Balance at January 1,	95,060	100,304
Unit redemptions		(1,300)
Fair market value amortization	15	(12)
Other	(16)	(47)
Balance at June 30,	$ 95,059	$ 98,945

Decrease in noncontrolling interest (for example, but not limited to, redeeming or purchasing the interests of noncontrolling shareholders, issuance of shares (interests) by the non-wholly owned subsidiary to the parent entity for other than cash, and a buyback of shares (interest) by the non-wholly owned subsidiary from the noncontrolling interests).

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