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Intangible Assets and Goodwill - Details of Intangible Assets (Details) (USD $) In Millions, unless otherwise specified |  |  |  | 9 Months Ended |  | 9 Months Ended |  | 9 Months Ended | 12 Months Ended
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
May 03, 2014 | Feb. 01, 2014 | Apr. 27, 2013 | Feb. 01, 2014 Customer relationships and agreements | Jan. 26, 2013 Customer relationships and agreements | Apr. 27, 2013 Customer relationships and agreements | Feb. 01, 2014 Trade names, patents and technology licenses | Jan. 26, 2013 Trade names, patents and technology licenses | Apr. 27, 2013 Trade names, patents and technology licenses | Feb. 01, 2014 Covenants not to compete | Apr. 27, 2013 Covenants not to compete
Acquired Finite-Lived Intangible Assets [Line Items] |  |  |  |  |  |  |  |  |  |  |
Gross |  |  |  | $ 16.6 |  | $ 16.6 |  |  |  | $ 0.1 | $ 0.1
Gross |  | 42.5 | 42.5 |  |  |  | 25.8 |  | 25.8 |  |
Accumulated Amortization |  | 29.5 | 26.0 | 14.7 |  | 14.2 | 14.8 |  | 11.8 | 0 | 0
Net |  |  |  | 1.9 |  | 2.4 |  |  |  | 0.1 | 0.1
Net | 13.0 | 13.0 | 16.5 |  |  |  | 11.0 |  | 14.0 |  |
Wtd. Avg. Remaining Amortization Periods |  |  |  | 9 years 10 months 18 days | 10 years 10 months 24 days |  | 9 years 9 months 18 days | 10 years 4 months 24 days |  | 3 years 5 months 0 days | 4 years 4 months 24 days
Indefinite-lived trade names |  | $ 1.8 |  |  |  |  |  |  |  |  |

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- Definition Finite-lived and Indefinite-lived Intangible Assets, Excluding Goodwill, Gross + References No definition available. + Details
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- Definition Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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- Definition Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 30 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16323-109275 + Details
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