Significant Products - Gross Profit and Gross Profit Percentages by Significant Product Category (Detail) - USD ($) $ in Millions |
3 Months Ended | 6 Months Ended | ||
|---|---|---|---|---|
Jul. 29, 2017 |
Jul. 30, 2016 |
Jul. 29, 2017 |
Jul. 30, 2016 |
|
| Product Information [Line Items] | ||||
| Gross Profit | $ 623.7 | $ 617.7 | $ 1,326.2 | $ 1,293.2 |
| Gross Profit Percent | 37.00% | 37.90% | 35.50% | 35.90% |
| New Video Game Hardware | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 26.7 | $ 30.0 | $ 64.8 | $ 58.3 |
| Gross Profit Percent | 10.70% | 13.90% | 10.20% | 11.00% |
| New Video Game Software | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 81.8 | $ 98.1 | $ 195.5 | $ 226.0 |
| Gross Profit Percent | 22.20% | 25.70% | 22.00% | 23.80% |
| Pre-Owned Video Game Products | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 225.6 | $ 244.0 | $ 479.3 | $ 507.2 |
| Gross Profit Percent | 45.00% | 45.00% | 46.60% | 46.00% |
| Video Game Accessories | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 47.7 | $ 45.7 | $ 103.6 | $ 102.8 |
| Gross Profit Percent | 33.10% | 38.20% | 32.40% | 36.40% |
| Digital | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 37.9 | $ 32.7 | $ 74.0 | $ 69.7 |
| Gross Profit Percent | 81.50% | 90.10% | 81.70% | 88.10% |
| Technology Brands [Member] | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 138.9 | $ 110.7 | $ 283.5 | $ 220.4 |
| Gross Profit Percent | 73.80% | 62.90% | 72.70% | 64.50% |
| Collectibles [Member] | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 43.2 | $ 34.7 | $ 78.4 | $ 63.3 |
| Gross Profit Percent | 35.30% | 38.60% | 33.10% | 36.70% |
| Other | ||||
| Product Information [Line Items] | ||||
| Gross Profit | $ 21.9 | $ 21.8 | $ 47.1 | $ 45.5 |
| Gross Profit Percent | 32.80% | 31.60% | 33.70% | 31.20% |