Earnings Per Common Share (Details) - Reconciliation of Basic and Fully Diluted Earnings Per Common Share - USD ($) $ / shares in Units, $ in Thousands	12 Months Ended
	Dec. 25, 2016	Dec. 27, 2015	Dec. 28, 2014
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]
Net earnings attributable to Buffalo Wild Wings	$ 94,745	$ 95,069	$ 94,094
Numerator [Abstract]
Earnings per common share	94,745	95,069	94,094
Earnings per common share – assuming dilution	$ 94,745	$ 95,069	$ 94,094
Denominator [Abstract]
Earnings per common share (in Dollars per share)	18,445,172	19,013,426	18,907,801
Earnings per common share – assuming dilution (in shares)	18,491,019	19,131,494	19,001,531
Earnings per common share (in Dollars per share)	$ 5.14	$ 5.00	$ 4.98
Earnings per common share – assuming dilution (in Dollars per share)	$ 5.12	$ 4.97	$ 4.95
Equity Option
Denominator [Abstract]
Effect of dilutive securities (in Dollars per share)	32,102	69,219	74,519
Restricted Stock Units (RSUs)
Denominator [Abstract]
Effect of dilutive securities (in Dollars per share)	13,745	48,849	19,211