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Share-Based Compensation - Weighted Average Assumptions Used to Estimate Fair Value of WhiteWave Stock Options Grants Issued (Detail) - WhiteWave Foods [Member] - Employee Stock Option [Member]
6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]    
Expected volatility minimum 28.00% 28.00%
Expected volatility maximum 29.00% 29.00%
Expected dividend yield 0.00% 0.00%
Expected option term 6 years 6 years
Risk-free rate of return minimum 1.45% 1.82%
Risk-free rate of return maximum 1.79% 2.10%
Forfeiture rate 0.00% 0.00%