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		6 Months Ended
		Aug. 26, 2017	Aug. 27, 2016	Aug. 26, 2017	Aug. 27, 2016
Earnings Per Share [Abstract]
Net (loss) income from continuing operations		$ 3,347	$ 23,357	$ 11,344	$ 33,445
Net income from continuing operations attributable to participating securities		65	444	209	609
Net income from continuing operations available to shareholders		3,282	22,913	11,135	32,836
Net loss from discontinued operations		(504)	(1,282)	(361)	(1,744)
Net loss from discontinued operations attributable to participating securities		(9)	(24)	(6)	(32)
Net loss from discontinued operations available to shareholders		(495)	(1,258)	(355)	(1,712)
Net income available to shareholders		$ 2,787	$ 21,655	$ 10,780	$ 31,124
Basic earnings per share:
Weighted-average number of common shares outstanding		40,198	40,944	40,236	41,357
Income (loss) from continuing operations, per basic share (in USD per share)		$ 0.08	$ 0.56	$ 0.28	$ 0.79
Income (loss) from discontinued operations, per basic share (in USD per share)		(0.01)	(0.03)	(0.01)	(0.04)
Basic earnings per share (in USD per share)		$ 0.07	$ 0.53	$ 0.27	$ 0.75
Diluted earnings per share:
Weighted-average number of common shares outstanding		40,198	40,944	40,236	41,357
Dilutive effect of potential common shares(a)	[1]	62	178	75	149
Diluted weighted-average number of common shares outstanding		40,260	41,122	40,311	41,506
Income (loss) from continuing operations, per diluted share (in USD per share)		$ 0.08	$ 0.56	$ 0.28	$ 0.79
Income (loss) from discontinued operations, per diluted share (in USD per share)		(0.01)	(0.03)	(0.01)	(0.04)
Diluted earnings per share (in USD per share)		$ 0.07	$ 0.53	$ 0.27	$ 0.75

[1] The computation of diluted earnings per share attributable to The Finish Line, Inc. shareholders excludes options to purchase approximately 3.4 million and 3.1 million shares of common stock in the thirteen weeks ended August 26, 2017 and August 27, 2016, respectively, and 3.4 million and 3.0 million shares of common stock in the twenty-six weeks ended August 26, 2017 and August 27, 2016, respectively, because the impact of such options would have been anti-dilutive.