Significant Accounting Policies (Tables)

12 Months Ended

Jan. 30, 2016

Jan. 31, 2015

Feb. 01, 2014

Accounting Policies [Abstract]

Accounting Changes [Text Block]

The change to historical periods was limited to classifications within the consolidated statements of operations and has no effect on net income or earnings per share.

	Three months ended										Fiscal year ended
		January 31, 2015									January 31, 2015
		As previously reported			Effect of change			As adjusted			As previously reported			Effect of change			As adjusted
		(in thousands)
Operating expenses		$	(128,681	)	$	201		$	(128,480	)	$	(512,889	)	$	353		$	(512,536	)
Interest income, net		602			132			734			2,795			326			3,121
Income tax provision		(19,527		)	(333		)	(19,860		)	(95,713		)	(679		)	(96,392		)

	Three months ended										Fiscal year ended
		February 1, 2014									February 1, 2014
		As previously reported			Effect of change			As adjusted			As previously reported			Effect of change			As adjusted
		(in thousands)
Operating expenses		$	(115,113	)	$	—		$	(115,113	)	$	(497,899	)	$	36		$	(497,863	)
Interest income, net		762			42			804			2,619			(182		)	2,437
Income tax provision		(17,521		)	(42		)	(17,563		)	(92,705		)	146			(92,559		)

New Accounting Pronouncements and Changes in Accounting Principles [Text Block]

The change in accounting standard has been applied retrospectively by adjusting the balance sheet for the prior period presented.

	As of January 31, 2015
	As previously reported		Effect of change			As adjusted
	(in thousands)
Current deferred income taxes	$	19,747	$	(19,747	)	$	—
Total current assets	768,470		(19,747		)	748,723
Non-current deferred income taxes	11,332		19,747			31,079

Estimated Useful Lives PPE [Table Text Block]

The estimated useful lives by class of asset are:

Buildings	39 years
Furniture, fixtures and equipment	3 to 10 years
Building and leasehold improvements	3 to 20 years or the lease term if that is shorter than the normal life of the asset