Quarterly Financial Information (Unaudited) (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	0 Months Ended		3 Months Ended								12 Months Ended
	Jan. 16, 2014	Jan. 14, 2014	Mar. 01, 2014	Nov. 30, 2013	Aug. 31, 2013	Jun. 01, 2013	Mar. 02, 2013	Dec. 01, 2012	Sep. 01, 2012	Jun. 02, 2012	Mar. 01, 2014	Mar. 02, 2013	Mar. 03, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales			$ 518,872	$ 364,455	$ 436,030	$ 351,053	$ 442,682	$ 296,623	$ 385,011	$ 319,049	$ 1,670,410	$ 1,443,365	$ 1,369,259
Cost of sales (including occupancy costs)			332,609	256,607	289,693	244,058	287,237	206,833	250,461	214,390	1,122,967	958,921	889,130
Gross profit			186,263	107,848	146,337	106,995	155,445	89,790	134,550	104,659	547,443	484,444	480,129
Selling, general and administrative expenses			117,668	104,092	103,455	99,356	94,907	91,447	94,711	84,818	424,571	365,883	343,629
Store closing costs			344	166	17	186	250	1	325	95	713	671	1,191
Impairment charges			1,213	841	0	0	5,565	0	0	28	2,054	5,593	974
Operating income			67,038	2,749	42,865	7,453	54,723	(1,658)	39,514	19,718	120,105	112,297	134,335
Interest income, net			10	3	10	14	31	38	58	71	37	198	447
Gain on sale of investment			2,076	0	0	0
Income before income taxes			69,124	2,752	42,875	7,467	54,754	(1,620)	39,572	19,789	122,218	112,495	134,782
Income tax expense			26,370	1,161	16,682	2,953	21,281	(811)	15,136	7,708	47,166	43,314	49,978
Net income			42,754	1,591	26,193	4,514	33,473	(809)	24,436	12,081	75,052	69,181	84,804
Net loss attributable to redeemable noncontrolling interest			249	727	314	561	856	702	537	197	1,851	2,292	0
Net income (loss) attributable to The Finish Line, Inc.			$ 43,003	$ 2,318	$ 26,507	$ 5,075	$ 34,329	$ (107)	$ 24,973	$ 12,278	$ 76,903	$ 71,473	$ 84,804
Net income (loss) per basic share			$ 0.88	$ 0.05	$ 0.54	$ 0.10	$ 0.70	$ 0.00	$ 0.49	$ 0.24	$ 1.57	$ 1.42	$ 1.62
Net income (loss) per diluted share			$ 0.87	$ 0.05	$ 0.54	$ 0.10	$ 0.69	$ 0.00	$ 0.49	$ 0.24	$ 1.56	$ 1.40	$ 1.59
Dividends declared per share	$ 0.08	$ 0.07	$ 0.08	$ 0.07	$ 0.07	$ 0.07	$ 0.07	$ 0.06	$ 0.06	$ 0.06	$ 0.29	$ 0.25	$ 0.21
Net sales, percentage			100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%	100.00%
Cost of sales (including occupancy costs), percentage			64.10%	70.40%	66.40%	69.50%	64.90%	69.70%	65.00%	67.20%
Gross profit, percentage			35.90%	29.60%	33.60%	30.50%	35.10%	30.30%	35.00%	32.80%
Selling, general and administrative expenses, percentage			22.70%	28.60%	23.80%	28.30%	21.40%	30.80%	24.60%	26.60%
Store closing costs, percentage			0.10%	0.00%	0.00%	0.10%	0.10%	0.00%	0.10%	0.00%
Impairment charges, percentage			0.20%	0.20%	0.00%	0.00%	1.20%	0.00%	0.00%	0.00%
Operating income (loss), percentage			12.90%	0.80%	9.80%	2.10%	12.40%	(0.50%)	10.30%	6.20%
Interest income, net, percentage			0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
Gain on sale of investment, percentage			0.40%	0.00%	0.00%	0.00%
Income (loss) before income taxes, percentage			13.30%	0.80%	9.80%	2.10%	12.40%	(0.50%)	10.30%	6.20%
Income tax expense (benefit), percentage			5.10%	0.40%	3.80%	0.80%	4.80%	(0.30%)	3.90%	2.40%
Net income (loss), percentage			8.20%	0.40%	6.00%	1.30%	7.60%	(0.20%)	6.40%	3.80%
Net loss attributable to redeemable noncontrolling interest, percentage			0.10%	0.20%	0.10%	0.10%	0.20%	0.20%	0.10%	0.10%
Net income (loss), percentage			8.30%	0.60%	6.10%	1.40%	7.80%	0.00%	6.50%	3.90%