Document and Entity Information Document - shares	6 Months Ended
	Jun. 30, 2015	Aug. 14, 2015
Entity Information [Line Items]
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	Jun. 30, 2015
Document fiscal year focus	2015
Document fiscal period focus	Q2
Amendment flag	false
Entity common stock, shares outstanding		196,113,534