Reconciliation of Numerators and Denominators used in Computing Earnings Per Share (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended				9 Months Ended
	Nov. 30, 2013		Dec. 01, 2012		Nov. 30, 2013		Dec. 01, 2012
Earnings Per Share [Abstract]
Net income (loss) attributable to The Finish Line, Inc.	$ 2,318		$ (107)		$ 33,900		$ 37,144
Net income attributable to participating securities	28		0		405		312
Net income (loss) available to The Finish Line, Inc. shareholders	$ 2,290		$ (107)		$ 33,495		$ 36,832
Basic earnings per share:
Weighted-average number of common shares outstanding	48,330		49,949		48,313		50,277
Basic earnings per share (in dollars per share)	$ 0.05		$ 0.00		$ 0.69		$ 0.73
Diluted earnings per share:
Weighted-average number of common shares outstanding	48,330		49,949		48,313		50,277
Stock options	379	[1]	0	[1]	420	[1]	700	[1]
Diluted weighted-average number of common shares outstanding	48,709		49,949		48,733		50,977
Diluted earnings per share (in dollars per share)	$ 0.05		$ 0.00		$ 0.69		$ 0.72

[1] The computation of diluted earnings per share excludes options to purchase approximately 1.0 million shares of common stock in the thirteen weeks ended November 30, 2013 and 1.2 million and 0.8 million shares of common stock in the thirty-nine weeks ended November 30, 2013 and December 1, 2012, respectively, because the impact of such options would have been anti-dilutive.