Quarterly report pursuant to Section 13 or 15(d)

Professional Fees and Other Expenses - Additional Information (Detail)

v2.4.1.9
Professional Fees and Other Expenses - Additional Information (Detail) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Other Income and Expenses [Abstract]    
Professional fees and other expenses $ 4.3hlf_ProfessionalFeesAndOtherExpenses $ 4.3hlf_ProfessionalFeesAndOtherExpenses