Derivative Financial Instruments (Details 2) (USD $) In Millions, unless otherwise specified	9 Months Ended
Oct. 27, 2012	Jan. 28, 2012
Canada
Forward contracts designated as cash flow hedges
U.S. dollar forward contracts purchased, total notional amount	$ 37.5
U.S. dollar forward contracts outstanding	37.5	41.5
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months)	8 months
Europe
Forward contracts designated as cash flow hedges
U.S. dollar forward contracts purchased, total notional amount	81.3
U.S. dollar forward contracts outstanding	$ 59.7	$ 90.0
U.S. dollar forward contracts outstanding, maximum remaining maturity period (in months)	8 months

Aggregate notional amount of all foreign currency derivatives designated as hedging instruments in cash flow hedges. Notional amount refers to the number of currency units specified in the foreign currency derivative contract.

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1B

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5580258-113959

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Notional Amount

-URI http://asc.fasb.org/extlink&oid=6519104

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 50

-Paragraph 1A

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=6935481&loc=SL5579245-113959

Name:	us-gaap_NotionalAmountOfForeignCurrencyCashFlowHedgeDerivatives
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant