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Pension Plans and Other Retirement Benefits - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	6 Months Ended
	Aug. 03, 2013
Pension Plans and Other Retirement Benefits [Line Items]
Minimum percentage of pension liability	80.00%
Anticipated employer's contribution to fund current benefit and expense payments under the unfunded plan in fiscal 2014	$ 3.5

X

- Definition

Minimum Percentage of pension liability under Pension Protection Act.

+ References

No definition available.

+ Details

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Balance Type:	na
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X

- Details

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Data Type:	xbrli:stringItemType
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X

- Definition

Amount of employer's best estimate of contributions expected to be paid to the plan during the next fiscal year beginning after the date of the latest statement of financial position.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (g)

-URI http://asc.fasb.org/extlink&oid=28361610&loc=d3e1928-114920

+ Details

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