Contingencies - Additional Information (Detail) (Anticompetitive Behavior European Commission) In Millions, unless otherwise specified	1 Months Ended
Mar. 31, 2012 USD ($)	Mar. 31, 2012 EUR (€)
Commitments and Contingencies Disclosure [Line Items]
Government fine	$ 5.50	€ 4.14

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

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