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Derivative Financial Instruments - Additional Information (Detail) (USD $)	Aug. 04, 2013
Derivative [Line Items]
Exchange of foreign currency contracts	$ 59,000
Canada, Dollars
Derivative [Line Items]
Reclassification from OCI to cost of goods sold	123,000
Foreign Exchange Contract | Canada, Dollars
Derivative [Line Items]
Exchange of foreign currency contracts	23,200,000
Foreign Exchange Contract | Derivatives designated as hedging instruments | Cash Flow Hedging | Canada, Dollars
Derivative [Line Items]
Exchange of foreign currency contracts	19,400,000
Foreign Exchange Contract | Not Designated as Hedging Instrument | Canada, Dollars
Derivative [Line Items]
Exchange of foreign currency contracts	3,800,000
Foreign Exchange Contract | Not Designated as Hedging Instrument | Australia, Dollars
Derivative [Line Items]
Exchange of foreign currency contracts	$ 5,000,000

X

- Definition

Aggregate notional amount specified by the derivative(s). Expressed as an absolute value.

+ References

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Article 12

-Section 13

-Sentence Column B

+ Details

Name:	invest_DerivativeNotionalAmount
Namespace Prefix:	invest_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Net fair value of all derivative instruments designated as cash flow hedging instruments, which is ordinarily reflected within other comprehensive income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 10

-Section 45

-Paragraph 5

-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

+ Details

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

X

- Details

Name:	us-gaap_DerivativeLineItems
Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The estimated net amount of unrealized gains or losses on foreign currency cash flow hedges at the reporting date expected to be reclassified to earnings within the next 12 months.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 815

-SubTopic 30

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=7668309&loc=d3e80748-113994

+ Details

Name:	us-gaap_ForeignCurrencyCashFlowHedgeGainLossToBeReclassifiedDuringNext12Months
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant