XML 78 R66.htm IDEA: XBRL DOCUMENT v3.7.0.1
Statutory Reserves (Detail) - Subsidiaries [Member] - China [Member]
$ in Millions
3 Months Ended 12 Months Ended
Jul. 30, 2017
USD ($)
Jul. 30, 2017
USD ($)
Statutory Reserve [Line Items]    
Percentage of net income required to be transferred to a statutory surplus reserve fund 10.00%  
Maximum required percentage of statutory surplus reserve fund to registered capital 50.00%  
Statutory surplus reserve fund balance $ 4.3 $ 4.3
Percentage of accumulated earnings and profits determined in accordance with PRC accounting rules and regulations 10.00% 10.00%
Minimum threshold percentage for statutory surplus reserve fund as percentage of registered capital, below which certain capital transactions are prohibited   25.00%