v3.6.0.2
Fair Value Measurements (Details) - USD ($)
$ in Thousands
 12 Months Ended
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]      
Notes Receivable, Fair Value Disclosure $ 45,700 $ 33,300  
Notes Receivable, Related Parties, Noncurrent 53,121 44,170 $ 43,304
Financial Assets:      
Cash and equivalents 110,657 32,495  
Short-term investments 98,530 226,027  
Long-term investments 77,904 71,953  
Total assets 287,091 330,475  
Commitments, Fair Value Disclosure 33,204 0  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 33,204 0  
Activity related to fair value of assets held and used that realized an impairment loss [Abstract]      
Impairment of Long-Lived Assets Held-for-use 247 962 $ 5,095
Level 1 [Member]      
Financial Assets:      
Cash and equivalents 110,657 32,495  
Short-term investments 2,446 2,127  
Long-term investments 431 181  
Total assets 113,534 34,803  
Commitments, Fair Value Disclosure 0 0  
Other Liabilities, Fair Value Disclosure   0  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0    
Level 2 [Member]      
Financial Assets:      
Cash and equivalents 0 0  
Short-term investments 96,084 223,900  
Long-term investments 77,473 71,772  
Total assets 173,557 295,672  
Commitments, Fair Value Disclosure 0 0  
Other Liabilities, Fair Value Disclosure   0  
Financial and Nonfinancial Liabilities, Fair Value Disclosure 0    
Fair Value, Inputs, Level 3 [Member]      
Financial Assets:      
Cash and equivalents 0 0  
Short-term investments 0 0  
Long-term investments 0 0  
Total assets 0 0  
Commitments, Fair Value Disclosure 33,204 0  
Other Liabilities, Fair Value Disclosure   $ 0  
Financial and Nonfinancial Liabilities, Fair Value Disclosure $ 33,204