Fair Value Measurements (Details) - USD ($)	12 Months Ended
	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Financial Assets:
Cash and equivalents	$ 32,495,000	$ 59,171,000
Short-term investments(a)	226,027,000	171,268,000
Long-term investments(a)	71,953,000	216,810,000
Cost Method Investments, Fair Value Disclosure	6,000,000	0
Notes Receivable, Fair Value Disclosure	33,311,000	43,304,000
Notes Receivable, Related Parties, Noncurrent	44,170,000	43,304,000	$ 0
Total assets	369,786,000	490,553,000
Other Liabilities, Fair Value Disclosure	561,000	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	561,000	0
Activity related to fair value of assets held and used that realized an impairment loss [Abstract]
Assets held and used	0
Impairment of Long-Lived Assets Held-for-use	962,000	5,095,000	$ 809,000
Impairment of Long-Lived Assets to be Disposed of		5,095,000
Level 1 [Member]
Financial Assets:
Cash and equivalents	32,495,000	59,171,000
Short-term investments(a)	2,127,000	0
Long-term investments(a)	181,000	0
Cost Method Investments, Fair Value Disclosure	0	0
Notes Receivable, Related Parties, Noncurrent	0	0
Total assets	34,803,000	59,171,000
Other Liabilities, Fair Value Disclosure	0	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0
Level 2 [Member]
Financial Assets:
Cash and equivalents	0	0
Short-term investments(a)	223,900,000	171,268,000
Long-term investments(a)	71,772,000	216,810,000
Cost Method Investments, Fair Value Disclosure	0	0
Notes Receivable, Fair Value Disclosure	33,311,000	43,304,000
Total assets	328,983,000	431,382,000
Other Liabilities, Fair Value Disclosure	561,000	0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	561,000
Fair Value, Inputs, Level 3 [Member]
Financial Assets:
Cash and equivalents	0	0
Short-term investments(a)	0	0
Long-term investments(a)	0	0
Cost Method Investments, Fair Value Disclosure		0
Notes Receivable, Related Parties, Noncurrent	0	0
Total assets	6,000,000	0
Other Liabilities, Fair Value Disclosure	0	$ 0
Financial and Nonfinancial Liabilities, Fair Value Disclosure	0
Cost Method Investments, Original Cost	$ 6,000,000