Income Tax Examination, Years Subject to Examination

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- Definition

Unrecognized Tax Benefits Income Tax Penalties And Interest Accrued Increases Resulting From Acquisition

+ References

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- Details

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- Definition

Amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Unrecognized Tax Benefit

-URI http://asc.fasb.org/extlink&oid=6527854

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15A

-Subparagraph (a)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319

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- Definition

Amount of statutory penalties accrued for a tax position claimed or expected to be claimed by the entity, in its tax return.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 740

-SubTopic 10

-Section 50

-Paragraph 15

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319

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- Definition

Amount of increase in unrecognized tax benefits resulting from acquisitions.

+ References

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- Definition

Amount of interest expense accrued for an underpayment of income taxes.

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Income Taxes - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Aug. 02, 2014	Aug. 02, 2014 US	Aug. 02, 2014 CANADA	Aug. 02, 2014 UK
Income Tax Disclosure [Abstract]
Tax years subject to examination		Tax years ending after November 1, 2008	Tax years ending after November 1, 2008	Tax years ending after January 31, 2012
Unrecognized tax benefits	$ 6.3
Unrecognized tax benefits increased as a result of acquisition	1.7
Accrued interest related to unrecognized tax benefits	1.1
Unrecognized tax benefits accrued interest increased as a result of acquisition	0.8
Accrued penalties related to unrecognized tax benefits	$ 0.6