Document and Entity Information - shares	9 Months Ended
	Sep. 30, 2016	Nov. 10, 2016
Entity [Abstract]
Entity Registrant Name	Blue Buffalo Pet Products, Inc.
Entity Central Index Key	0001609989
Current Fiscal Year End Date	--12-31
Entity Filer Category	Non-accelerated Filer
Document Type	10-Q
Document Period End Date	Sep. 30, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus (Q1,Q2,Q3,FY)	Q3
Amendment Flag	false
Entity Common Stock, Shares Outstanding		196,515,280