Fair Value Measurements (Details) (USD $)	3 Months Ended
	May 02, 2015	May 03, 2014	Jan. 31, 2015
Assets:
Cash and equivalents	$ 206,868,000	$ 132,900,000	$ 59,171,000
Short-term investments (a)	128,705,000	179,928,000	171,268,000
Long-term investments (a)	120,724,000	235,717,000	216,810,000
Note receivable from Town Shoes (b)	46,686,000	0	43,304,000
Total assets	502,983,000	548,545,000	490,553,000
Other Liabilities, Fair Value Disclosure	5,231,000
Financial and Nonfinancial Liabilities, Fair Value Disclosure	5,231,000
Fair Value, Assets Measured on Recurring and Nonrecurring Basis, Alternative [Abstract]
Impairment of Long-Lived Assets Held-for-use	418,000	0
Level 1 [Member]
Assets:
Cash and equivalents	206,868,000	132,900,000	59,171,000
Short-term investments (a)	0	0	0
Long-term investments (a)	0	0	0
Note receivable from Town Shoes (b)	0	0	0
Total assets	206,868,000	132,900,000	59,171,000
Level 2 [Member]
Assets:
Cash and equivalents	0	0	0
Short-term investments (a)	128,705,000	179,928,000	171,268,000
Long-term investments (a)	120,724,000	235,717,000	216,810,000
Note receivable from Town Shoes (b)	46,686,000	0	43,304,000
Total assets	296,115,000	415,645,000	431,382,000
Other Liabilities, Fair Value Disclosure	5,231,000
Financial and Nonfinancial Liabilities, Fair Value Disclosure	$ 5,231,000