Reconciling Information Between Reportable Segments and Company's Consolidated Totals (Detail) (USD $) In Thousands	3 Months Ended	9 Months Ended
Sep. 30, 2011	Sep. 30, 2010	Sep. 30, 2011	Sep. 30, 2010
Segment Reporting Information [Line Items]
Operating income	$ 24,208	$ 14,818	$ 46,701	$ 19,330
Interest income	438	140	1,289	432
Interest expense, net	(23,909)	(10,961)	(54,431)	(30,101)
Foreign currency translation and transaction gains (losses)	(2,659)	1,074	(1,546)	475
Income attributable to sale of equity interest	2,344	2,183	7,624	6,392
Gain on acquisition of controlling interest		36,928		36,928
Other non-operating income (expense), net	347	233	465	(47)
Income from continuing operations, before income taxes and equity in income (losses) of investees	$ 769	$ 44,415	$ 102	$ 33,409

In a business combination achieved in stages, this element represents the amount of net gain (loss) recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination.

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The aggregate foreign currency transaction gain (loss) (both realized and unrealized) included in determining net income for the reporting period. Excludes foreign currency transactions designated as hedges of net investment in a foreign entity and intercompany foreign currency transactions that are of a long-term nature, when the entities to the transaction are consolidated, combined, or accounted for by the equity method in the reporting enterprise's financial statements. For certain enterprises, primarily banks, that are dealers in foreign exchange, foreign currency transaction gains (losses) may be disclosed as dealer gains (losses).

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The cost of borrowed funds accounted for as interest that was charged against earnings during the period.

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