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Commitment and Contingencies (Aribitral Award for the Taking of the Company's Venezuelan Operations) - Additional Information (Detail) - 3 months ended Jun. 30, 2015 - Compensatory Purposes - VENEZUELA - USD ($) $ in Millions | Total
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Commitments and Contingencies Disclosure [Line Items] |
Compensation awarded to the subsidiaries | $ 63.6
Compensation awarded to the subsidiaries, annual compound interest rate | 4.50%
Principal Investments |
Commitments and Contingencies Disclosure [Line Items] |
Compensation awarded to the subsidiaries | $ 46.4
Net Interest Settlements |
Commitments and Contingencies Disclosure [Line Items] |
Compensation awarded to the subsidiaries | 14.7
Legal And Other Settlements |
Commitments and Contingencies Disclosure [Line Items] |
Compensation awarded to the subsidiaries | $ 2.5

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