Earnings Per Share - Reconciliation of Numerators and Denominators used in Computing Earnings Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands		3 Months Ended
		May. 30, 2015	May. 31, 2014
Earnings Per Share [Abstract]
Net income attributable to The Finish Line, Inc.		$ 13,789	$ 12,435
Net income attributable to The Finish Line, Inc. attributable to participating securities		165	149
Net income attributable to The Finish Line, Inc. available to common shareholders		$ 13,624	$ 12,286
Basic earnings per share attributable to The Finish Line, Inc. shareholders:
Weighted-average number of common shares outstanding (in shares)		45,436	47,929
Basic earnings per share attributable to The Finish Line, Inc. shareholders (in dollars per share)		$ 0.30	$ 0.26
Diluted earnings per share attributable to The Finish Line, Inc. shareholders:
Weighted-average number of common shares outstanding (in shares)		45,436	47,929
Dilutive effect of potential common shares (in shares)	[1]	283	431
Diluted weighted-average number of common shares outstanding (in shares)		45,719	48,360
Diluted earnings per share attributable to The Finish Line, Inc. shareholders (in dollars per share)		$ 0.30	$ 0.25
Antidilutive shares excluded from computation of diluted earnings per share (in shares)		1,400	600

[1] The computation of diluted earnings per share attributable to The Finish Line, Inc. shareholders excludes options to purchase approximately 1.4 million and 0.6 million shares of common stock in the thirteen weeks ended May 30, 2015 and May 31, 2014, respectively, because the impact of such options would have been anti-dilutive.