v2.4.0.6
Reconciliation of Common Shares Used in Calculating Basic and Diluted Net Income (Loss) Per Common Share (Detail) (USD $)
In Millions, except Per Share data, unless otherwise specified
 3 Months Ended 12 Months Ended
Feb. 02, 2013
Oct. 27, 2012
Jul. 28, 2012
Apr. 28, 2012
Jan. 28, 2012
Oct. 29, 2011
Jul. 30, 2011
Apr. 30, 2011
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Schedule of Earnings Per Share, Basic and Diluted, by Common Class [Line Items]                      
Net income (loss) attributable to GameStop Corp. $ 261.1 [1] $ (624.3) [2] $ 21.0 $ 72.5 $ 174.7 [3] $ 53.9 [4] $ 30.9 $ 80.4 $ (269.7) $ 339.9 $ 408.0
Weighted average common shares outstanding                 126.4 139.9 151.6
Dilutive effect of options and restricted shares on common stock                   1.1 2.4
Common shares and dilutive potential common shares                 126.4 141.0 154.0
Net income (loss) per common share:                      
Basic $ 2.17 [1] $ (5.08) [2] $ 0.16 $ 0.54 $ 1.28 [3] $ 0.39 [4] $ 0.22 $ 0.56 $ (2.13) [5] $ 2.43 [5] $ 2.69 [5]
Diluted $ 2.15 [1] $ (5.08) [2] $ 0.16 $ 0.54 $ 1.27 [3] $ 0.39 [4] $ 0.22 $ 0.56 $ (2.13) [5] $ 2.41 [5] $ 2.65 [5]
[1] The results of operations for the fourth quarter of the fiscal year ended February 2, 2013 include asset impairments of $1.9 million.
[2] The results of operations for the third quarter of the fiscal year ended February 2, 2013 include goodwill impairments of $627.0 million and asset impairments of $51.8 million.
[3] The results of operations for the fourth quarter of the fiscal year ended January 28, 2012 include asset impairments and restructuring charges of $81.2 million and debt extinguishment expense of $0.4 million.
[4] The results of operations for the third quarter of the fiscal year ended January 28, 2012 include debt extinguishment expense of $0.6 million.
[5] Basic net income (loss) per common share and diluted net income (loss) per common share are calculated based on consolidated net income (loss) attributable to GameStop Corp.