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Pension Plans and Other Retirement Benefits - Additional Information (Detail) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	12 Months Ended
	Oct. 27, 2012	Nov. 02, 2013	Jan. 28, 2012 Scenario, Actual
Pension Plans and Other Retirement Benefits [Line Items]
Pension expense	$ 22.3		$ 27.0
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

The amount of pension benefit costs recognized during the period for (1) defined benefit plans and (2) defined contribution plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain (loss) on plan assets, prior service cost or credit, transition asset or obligation, and gain (loss) due to settlements or curtailments. For defined contribution plans, the pension expense generally equals the firm's contribution to employees' accounts (if the firm contributes) during the period.

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