The value (monetary amount) of the award the plaintiff seeks in the legal matter.

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+ Details

Contingencies - Additional Information (Detail) In Millions, unless otherwise specified	1 Months Ended		6 Months Ended		1 Months Ended
	Nov. 30, 2011 USD ($)	Nov. 30, 2011 BRL	Jun. 30, 2012 USD ($)	Jun. 30, 2012 BRL	Nov. 30, 2011 Court-imposed interest, fees or inflation adjustments Maximum USD ($)
Loss Contingencies [Line Items]
Damages asserted by BK				20.8
Total ordered damages granted to Bk	13.2	26.7			54.0
Amount of remediation plan for the RID portion of the Superfund Site approved by ADEQ			$ 100