Income Taxes - Additional Information (Detail) (USD $)	12 Months Ended
	Feb. 02, 2013	Jan. 28, 2012	Jan. 29, 2011	Jan. 29, 2010	Jan. 31, 2009
Income Taxes [Line Items]
Tax benefits recognized as contributed capital	$ 14,100,000	$ 400,000	$ 15,600,000
Unremitted earnings of Canadian subsidiaries	88,000,000	72,000,000
Unrecognized tax benefits	17,250,000	31,578,000	31,108,000	31,108,000	31,649,000
Unrecognized tax benefits that would affect effective income tax rate if recognized	31,600,000	22,800,000
Increased decreased in unrecognized tax benefits	(14,300,000)	(500,000)
Accrued interest and penalties related to unrecognized tax benefits	1,800,000	7,900,000
Provision for income taxes related to the reversal of accrued interest and penalties	4,800,000
Foreign tax credit carryovers	16,900,000	22,300,000
Foreign tax credit carryovers expiration date	2019
Deferred tax asset related to Kansas tax credit carryforwards	5,700,000	6,100,000
Deferred tax asset related to Kansas tax credit minimum carryforwards years	10 years
Deferred tax asset related to Kansas tax credit maximum carryforwards years	16 years		5 years
Deferred tax asset related to Kansas tax credit carryforwards expiration period begins	2018
Income tax credit carryforward, valuation allowance			5,000,000
Capital losses carryback period			3 years
Deferred tax assets related to investment securities	16,000,000	18,400,000
Income Tax Benefits	137,940,000	99,930,000	121,644,000
Valuation Allowance
Income Taxes [Line Items]
Income Tax Benefits	$ 2,400,000	$ 2,000,000