Comprehensive Earnings Attributable to Noncontrolling Interests (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended	6 Months Ended
Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2012	Jun. 30, 2011
Comprehensive Income (Loss)
Net earnings (loss) attributable to noncontrolling interests	$ 1,057	$ 55	$ 116	$ (227)
Other comprehensive earnings, net of tax	3	1	6	2
Consolidated comprehensive earnings (loss) attributable to noncontrolling interests	$ 1,060	$ 56	$ 122	$ (225)

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 noncontrolling interests. It includes all changes in equity during a period except those resulting from investments by owners and distributions to owners, which are directly or indirectly attributable to that ownership interest in subsidiary equity which is not attributable to the parent.

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Amount of Net Income (Loss) attributable to noncontrolling interest.

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- Definition

Net of tax amount of other comprehensive income (loss) attributable to noncontrolling interests.

+ References

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Reference 3: http://www.xbrl.org/2003/role/presentationRef

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Reference 5: http://www.xbrl.org/2003/role/presentationRef

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Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details